/* =============================================
   FINGERPAY DESIGN SYSTEM v2.0
   Premium Fintech Aesthetics
   ============================================= */

/* CSS Variables - Design Tokens */
:root {
    /* Colors - Primary */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #161618;
    --bg-card: #1a1a1d;
    --bg-elevated: #202023;
    
    /* Colors - Accent */
    --accent-cyan: #00d4ff;
    --accent-cyan-dim: rgba(0, 212, 255, 0.15);
    --accent-emerald: #10b981;
    --accent-emerald-dim: rgba(16, 185, 129, 0.15);
    --accent-violet: #8b5cf6;
    --accent-violet-dim: rgba(139, 92, 246, 0.15);
    --accent-amber: #f59e0b;
    --accent-amber-dim: rgba(245, 158, 11, 0.15);
    --accent-rose: #f43f5e;
    --accent-rose-dim: rgba(244, 63, 94, 0.15);
    
    /* Colors - Text */
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;
    --text-dim: #3f3f46;
    
    /* Colors - Borders */
    --border-subtle: rgba(255,255,255,0.06);
    --border-medium: rgba(255,255,255,0.1);
    --border-glow: rgba(0, 212, 255, 0.3);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
    --gradient-mesh: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 255, 0.15), transparent),
                    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(139, 92, 246, 0.1), transparent),
                    radial-gradient(ellipse 50% 30% at 0% 80%, rgba(16, 185, 129, 0.08), transparent);
    
    /* Typography */
    --font-sans: 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Space Mono', 'SF Mono', 'Monaco', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 25px 50px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
    --transition-slower: 0.4s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* Noise Texture Overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 1000;
}

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

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

/* =============================================
   NAVIGATION
   ============================================= */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-lg) var(--space-3xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-base);
}

.nav.scrolled {
    background: rgba(10, 10, 11, 0.95);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav-logo-text {
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: var(--space-2xl);
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--text-primary);
}

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

.nav-links a.active {
    color: var(--text-primary);
}

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

.nav-cta {
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-base);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.nav-mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

/* =============================================
   BUTTONS
   ============================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition-slow);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--text-muted);
}

.btn-outline {
    background: transparent;
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
}

.btn-outline:hover {
    background: var(--accent-cyan-dim);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* =============================================
   CARDS
   ============================================= */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-slower);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(0, 212, 255, 0.05));
    opacity: 0;
    transition: opacity var(--transition-slower);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-lg);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: var(--space-lg);
}

.card-icon.cyan {
    background: linear-gradient(135deg, var(--accent-cyan-dim), rgba(0, 212, 255, 0.05));
    color: var(--accent-cyan);
}

.card-icon.emerald {
    background: linear-gradient(135deg, var(--accent-emerald-dim), rgba(16, 185, 129, 0.05));
    color: var(--accent-emerald);
}

.card-icon.violet {
    background: linear-gradient(135deg, var(--accent-violet-dim), rgba(139, 92, 246, 0.05));
    color: var(--accent-violet);
}

.card-icon.amber {
    background: linear-gradient(135deg, var(--accent-amber-dim), rgba(245, 158, 11, 0.05));
    color: var(--accent-amber);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.card-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

/* =============================================
   SECTION STYLES
   ============================================= */

.section {
    padding: var(--space-5xl) var(--space-3xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* =============================================
   HERO SECTIONS
   ============================================= */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-5xl) var(--space-3xl) var(--space-3xl);
    background: var(--gradient-mesh);
    position: relative;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent-emerald);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.hero h1 {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
}

.hero h1 .gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-2xl);
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* =============================================
   PAGE HERO (Smaller)
   ============================================= */

.page-hero {
    padding: 10rem var(--space-3xl) var(--space-3xl);
    background: var(--gradient-mesh);
    text-align: center;
}

.page-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.page-hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* =============================================
   GRIDS
   ============================================= */

.grid {
    display: grid;
    gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* =============================================
   CODE BLOCKS
   ============================================= */

.code-block {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-subtle);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27c93f; }

.code-title {
    margin-left: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.code-content {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-content .comment { color: var(--text-muted); }
.code-content .method { color: var(--accent-emerald); }
.code-content .url { color: var(--accent-cyan); }
.code-content .key { color: var(--accent-violet); }
.code-content .string { color: var(--accent-amber); }
.code-content .number { color: var(--accent-rose); }

/* =============================================
   TABLES
   ============================================= */

.table-container {
    overflow-x: auto;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

thead {
    background: var(--bg-tertiary);
}

th {
    text-align: left;
    padding: var(--space-md) var(--space-lg);
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background: var(--bg-card);
}

/* =============================================
   BADGES & TAGS
   ============================================= */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-cyan {
    background: var(--accent-cyan-dim);
    color: var(--accent-cyan);
}

.badge-emerald {
    background: var(--accent-emerald-dim);
    color: var(--accent-emerald);
}

.badge-violet {
    background: var(--accent-violet-dim);
    color: var(--accent-violet);
}

.badge-amber {
    background: var(--accent-amber-dim);
    color: var(--accent-amber);
}

/* =============================================
   FEATURE LIST
   ============================================= */

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '✓';
    color: var(--accent-emerald);
    font-weight: 700;
}

/* =============================================
   STATS
   ============================================= */

.stats-row {
    display: flex;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-cyan);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
}

/* =============================================
   TABS
   ============================================= */

.tabs {
    display: flex;
    gap: var(--space-xs);
    background: var(--bg-tertiary);
    padding: var(--space-xs);
    border-radius: var(--radius-md);
    width: fit-content;
}

.tab {
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    background: transparent;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    background: var(--bg-card);
    color: var(--text-primary);
}

/* =============================================
   TIMELINE
   ============================================= */

.timeline {
    position: relative;
    padding-left: var(--space-2xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-subtle);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-2xl) - 5px);
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-cyan);
    border: 3px solid var(--bg-primary);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: var(--space-xs);
}

.timeline-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.timeline-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* =============================================
   FOOTER
   ============================================= */

.footer {
    padding: var(--space-3xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-3xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

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

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    max-width: 1200px;
    margin: var(--space-2xl) auto 0;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--accent-cyan-dim);
    color: var(--accent-cyan);
}

/* =============================================
   ANIMATIONS
   ============================================= */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-up {
    animation: fadeUp 0.8s ease-out both;
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out both;
}

.animate-slide-in {
    animation: slideIn 0.6s ease-out both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .nav {
        padding: var(--space-md) var(--space-xl);
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-subtle);
        flex-direction: column;
        padding: var(--space-lg);
        gap: 0;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        border-bottom: 1px solid var(--border-subtle);
    }
    
    .nav-links li:last-child {
        border-bottom: none;
    }
    
    .nav-links a {
        display: block;
        padding: var(--space-md) 0;
    }
    
    .nav-mobile-toggle {
        display: flex;
    }
    
    .nav-mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .section {
        padding: var(--space-3xl) var(--space-xl);
    }
    
    .hero {
        padding: var(--space-5xl) var(--space-xl) var(--space-2xl);
    }
    
    .page-hero {
        padding: 8rem var(--space-xl) var(--space-2xl);
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .stats-row {
        gap: var(--space-xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 600px) {
    :root {
        --space-3xl: 2rem;
        --space-4xl: 3rem;
        --space-5xl: 4rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-logo {
        justify-content: center;
    }
}

/* =============================================
   UTILITY CLASSES
   ============================================= */

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-cyan { color: var(--accent-cyan); }
.text-emerald { color: var(--accent-emerald); }
.text-violet { color: var(--accent-violet); }

.bg-primary { background: var(--bg-primary); }
.bg-secondary { background: var(--bg-secondary); }
.bg-card { background: var(--bg-card); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.hidden { display: none; }
.visible { display: block; }