/* ============================================
   HEADING AI - MAIN STYLESHEET
   ============================================ */

/* Import Inter from Google Fonts as fallback */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Colors - Indigo Palette */
    --color-midnight-indigo: #1a1f3a;   /* Midnight Indigo - Powerful */
    --color-deep-indigo: #2d3561;       /* Deep Indigo - American */
    --color-indigo: #4a5ba8;            /* Indigo - Govenor Bay */
    --color-light-indigo: #7284c7;      /* Light Indigo - Blue Ivory */
    --color-pale-indigo: #a3b1e0;       /* Pale Indigo - Generation X */

    /* Primary/Secondary Colors (using palette) */
    --color-primary: #2D3561;           /* Deep Indigo - for headings */
    --color-secondary: #4A5BA8;         /* Indigo - for accents */
    --color-primary-hover: #1a1f3a;     /* Midnight Indigo - darker on hover */
    --color-secondary-hover: #2d3561;   /* Deep Indigo - darker accent hover */
    
    /* Text Colors - Slate Scale */
    --color-text-primary: #0f172a;   /* slate-900 */
    --color-text-secondary: #334155; /* slate-700 */
    --color-text-tertiary: #64748b;  /* slate-500 */
    --color-text-muted: #94a3b8;     /* slate-400 */
    
    /* Background Colors */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8fafc;      /* slate-50 */
    --color-bg-tertiary: #f1f5f9;       /* slate-100 */
    --color-sparkling-silver: #e2e6f1;  /* Menu Highlight */
    --color-alpine-white: #eceef6;      /* Alpine White */
    --color-snow-white: #f5f6fa;        /* Menu Background */
    
    /* Borders */
    --color-border: #e2e8f0;         /* slate-200 */
    --color-border-light: #f1f5f9;   /* slate-100 */
    
    /* Status Colors (for badges/alerts) */
    --color-success: #16a34a;
    --color-warning: #d97706;
    --color-error: #dc2626;
    
    /* Spacing Scale */
    --space-xs: 0.25rem;    /* 4px */
    --space-sm: 0.5rem;     /* 8px */
    --space-md: 1rem;       /* 16px */
    --space-lg: 1.5rem;     /* 24px */
    --space-xl: 2rem;       /* 32px */
    --space-2xl: 3rem;      /* 48px */
    --space-3xl: 4rem;      /* 64px */
    --space-4xl: 6rem;      /* 96px */
    
    /* Border Radius */
    --radius-sm: 0.375rem;  /* 6px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;   /* 12px */
    --radius-xl: 1rem;      /* 16px */
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Typography */
    --font-heading: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", sans-serif;
    
    /* Container Width */
    --container-max: 1280px;
    --container-padding: var(--space-lg);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.875rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--space-md);
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color var(--transition-slow);
}

a:hover {
    color: var(--color-secondary-hover);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-sm {
    padding: var(--space-3xl) 0;
}

.section-lg {
    padding: calc(var(--space-4xl) * 1.5) 0;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: var(--color-secondary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-border);
}

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

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) 0;
}

.logo {
    height: 32px;
    width: auto;
}

/* Larger logo on desktop */
@media (min-width: 768px) {
    .logo {
        height: 36px;
    }
}

/* Hide button in header navigation on all devices */
.header .btn {
    display: none;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding-top: calc(var(--space-4xl) + 80px);
    padding-bottom: var(--space-4xl);
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    margin-bottom: var(--space-lg);
}

.hero-subheading {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-2xl);
    font-weight: 400;
}

.hero-cta {
    margin-top: var(--space-xl);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-label {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-tertiary);
    line-height: 1.7;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-secondary);
}

.card h3 {
    margin-bottom: var(--space-md);
}

.card p {
    color: var(--color-text-tertiary);
    margin-bottom: 0;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
}

/* ============================================
   CAROUSEL
   ============================================ */
.carousel-container {
    position: relative;
    margin: var(--space-2xl) 0;
}

.carousel {
    display: flex;
    gap: var(--space-lg);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-md);
}

.carousel::-webkit-scrollbar {
    height: 8px;
}

.carousel::-webkit-scrollbar-track {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
}

.carousel::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-sm);
}

.carousel::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

.carousel-item {
    flex: 0 0 auto;
    width: 100%;
    max-width: 800px;
    scroll-snap-align: center;
    cursor: pointer;
    transition: transform var(--transition-base);
}

.carousel-item:hover {
    transform: scale(1.02);
}

.carousel-item img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

/* Carousel Navigation Arrows */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
}

.carousel-nav:hover {
    background: white;
    box-shadow: var(--shadow-lg);
}

.carousel-nav.prev {
    left: -24px;
}

.carousel-nav.next {
    right: -24px;
}

.carousel-nav svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-primary);
}

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    animation: fadeIn 0.2s ease;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    width: 100%;
}

.lightbox-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.lightbox-close {
    position: absolute;
    top: -48px;
    right: 0;
    background: transparent;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-fast);
}

.lightbox-close:hover {
    opacity: 0.7;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.3);
}

.lightbox-nav.prev {
    left: -80px;
}

.lightbox-nav.next {
    right: -80px;
}

.lightbox-nav svg {
    width: 32px;
    height: 32px;
    stroke: white;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(74, 91, 168, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.form-footer {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
}

.form-footer-text {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

/* Side-by-side layout on desktop */
@media (min-width: 768px) {
    .form-footer {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

/* ============================================
   BACKGROUND SECTIONS
   ============================================ */
.bg-secondary {
    background: var(--color-bg-secondary);
}

.bg-tertiary {
    background: var(--color-bg-tertiary);
}

.bg-dark {
    background: var(--color-primary);
    color: white;
}

.bg-dark h1,
.bg-dark h2,
.bg-dark h3,
.bg-dark h4 {
    color: white;
}

.bg-dark p {
    color: rgba(255, 255, 255, 0.85);
}

/* ============================================
   BADGE
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(74, 91, 168, 0.08);
    border: 1px solid rgba(74, 91, 168, 0.2);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-secondary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

/* ============================================
   PROCESS NUMBERS
   ============================================ */
.process-number {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
    font-size: 1.5rem;
    font-weight: 500;
    box-shadow: var(--shadow-md);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Scroll-triggered animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation delays for groups */
.scroll-reveal:nth-child(1) {
    transition-delay: 0s;
}

.scroll-reveal:nth-child(2) {
    transition-delay: 0.1s;
}

.scroll-reveal:nth-child(3) {
    transition-delay: 0.2s;
}

.scroll-reveal:nth-child(4) {
    transition-delay: 0.3s;
}

.scroll-reveal:nth-child(5) {
    transition-delay: 0.4s;
}

.scroll-reveal:nth-child(6) {
    transition-delay: 0.5s;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    height: 32px;
    margin-bottom: var(--space-lg);
    filter: brightness(0) invert(1);
}

.footer p {
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
}

.footer a {
    color: white;
    text-decoration: underline;
}

.footer a:hover {
    color: rgba(255, 255, 255, 0.8);
}

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

/* Mobile (default styles above are mobile-first) */

/* Small tablets and up (640px) */
@media (min-width: 640px) {
    :root {
        --container-padding: var(--space-xl);
    }
    
    .carousel-item {
        width: 90%;
    }
}

/* Tablets and up (768px) */
@media (min-width: 768px) {
    .carousel-item {
        width: 80%;
    }

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

    .qa-grid {
        grid-template-columns: 4fr 4fr;
    }

    .qa-card {
        min-height: 550px;
    }
}

/* Desktop and up (1024px) */
@media (min-width: 1024px) {
    :root {
        --container-padding: var(--space-2xl);
    }

    .carousel-item {
        width: 70%;
    }

    .qa-grid {
        grid-template-columns: 3fr 5fr;
    }

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

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

/* Large desktop and up (1280px) */
@media (min-width: 1280px) {
    .carousel-item {
        width: 60%;
    }

    .lightbox-content {
        max-width: 1400px;
    }
}

/* Extra large desktop (1920px+) */
@media (min-width: 1920px) {
    .lightbox-content {
        max-width: 1800px;
    }
}

/* Ultra-wide and 4K displays (2560px+) */
@media (min-width: 2560px) {
    .lightbox-content {
        max-width: 2400px;
    }
}

/* ============================================
   Q&A CAROUSEL
   ============================================ */
.qa-grid {
    display: grid;
    grid-template-columns: 3fr 5fr;
    gap: var(--space-3xl);
    align-items: start;
}

.qa-carousel-wrapper {
    width: 100%;
    overflow: hidden;
}

.qa-carousel-container {
    position: relative;
    width: 100%;
}

.qa-carousel {
    display: flex;
    overflow: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none; /* Firefox */
    position: relative;
    width: 100%;
}

.qa-carousel::-webkit-scrollbar {
    display: none; /* Chrome, Safari */
}

.qa-card {
    flex: 0 0 100%;
    width: 100%;
    min-height: 600px;
    scroll-snap-align: start;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 3rem 4rem;
    transition: opacity var(--transition-base);
    display: flex;
    flex-direction: column;
}

/* Q&A Navigation Arrows */
.qa-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.qa-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.05);
}

.qa-nav.prev {
    left: 12px;
}

.qa-nav.next {
    right: 12px;
}

.qa-nav svg {
    width: 18px;
    height: 18px;
}

.qa-question {
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

.qa-answer {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.qa-answer p {
    margin-bottom: var(--space-md);
}

.qa-answer p:last-of-type {
    margin-bottom: var(--space-lg);
}

.qa-answer strong {
    color: white;
    font-weight: 600;
}

.qa-source {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    line-height: 1.6;
}

/* Q&A Carousel Dots */
.qa-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.qa-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.qa-dot.active {
    background: white;
    width: 24px;
    border-radius: 4px;
}

/* Mobile-specific adjustments */
@media (max-width: 767px) {
    .qa-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .qa-card {
        max-width: 100%;
        min-height: auto;
    }

    .qa-nav {
        display: none;
    }

    .carousel-nav {
        display: none;
    }

    .lightbox-nav {
        width: 44px;
        height: 44px;
    }

    .lightbox-nav.prev {
        left: var(--space-sm);
    }

    .lightbox-nav.next {
        right: var(--space-sm);
    }

    .lightbox-close {
        top: var(--space-sm);
        right: var(--space-sm);
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .section-lg {
        padding: var(--space-4xl) 0;
    }

    /* Refined mobile typography */
    h1 {
        font-size: clamp(2rem, 8vw, 2.25rem);
    }

    .hero {
        padding-top: calc(var(--space-3xl) + 80px);
        padding-bottom: var(--space-3xl);
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

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

.mt-0 { margin-top: 0; }
.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-0 { margin-bottom: 0; }
.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); }