/* ===================================
   Bloom Nonprofits Page CSS
   Consistent with Main Site Design
   =================================== */

/* Import fonts and base variables */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Montserrat:wght@400;500;600;700;800;900&display=swap');

:root {
    --primary: #299b8e;
    --primary-dark: #237a70;
    --primary-light: #3fb5a8;
    --accent: #f7b801;
    --purple: #8b5cf6;
    --blue-dark: #00355c;
    --text-primary: #293340;
    --text-secondary: #6b7280;
    --background: #f3f4f6;
    --white: #ffffff;
    --border: #e5e7eb;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.12);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.3;
    font-weight: 700;
}

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

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

a:hover {
    text-decoration: underline;
}

/* Section spacing */
section {
    background: var(--white);
    padding: 2rem 0;
}

section:first-of-type {
    padding-top: 1rem;
}

/* Auth Buttons */
.auth-buttons {
    position: absolute;
    top: 1rem;
    right: 2rem;
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    padding: 0.5rem 1.25rem;
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: 50px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.btn-ghost:hover {
    background: var(--background);
    text-decoration: none;
}

.btn-primary-small {
    background: var(--primary);
    color: white;
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    border-radius: 50px;
    border: none;
    transition: var(--transition);
}

.btn-primary-small:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

/* Bento Box Base Styles */
.bento {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: 4rem 3rem;
    margin: 1rem 0;
}

/* Button Styles */
.btn {
    padding: 0.875rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border);
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Nonprofits Hero Section */
.nonprofits-hero {
    background: var(--white);
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.hero-bento {
    background: var(--primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: 4rem;
    margin: 1rem 0;
}

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

.hero-label {
    display: inline-block;
    background: var(--white);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--white);
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    line-height: 1.6;
    color: var(--white);
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

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

.hero-bento .btn-primary:hover {
    background: var(--background);
}

.hero-bento .btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.hero-bento .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

/* Hero image full width */
.hero-image-full {
    margin-top: 3rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    width: 100%;
}

.hero-image-full img {
    width: 100%;
    height: auto;
    min-height: 300px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

/* About content */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Value Props */
.value-props {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.value-card {
    background: var(--background);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* NCAT Section */
.ncat-section {
    background: var(--background);
}

.ncat-content {
    max-width: 1000px;
    margin: 0 auto;
}

.ncat-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

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

.stat-item .stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-item .stat-label {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.category-item {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid var(--border);
}

.category-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.category-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.category-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.ncat-cta {
    text-align: center;
}

.ncat-note {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Platform features */
.platform-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.platform-card {
    background: var(--background);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.platform-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.platform-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.platform-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Programs Section */
.programs-content {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--background);
    border-radius: var(--radius-lg);
}

/* Programs Navigation */
.programs-navigation {
    text-align: center;
    margin-top: 3rem;
}

.nav-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 700px;
    margin: 0 auto;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
    text-align: left;
    height: 100%;
    min-height: 80px;
}

.nav-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: var(--primary-light);
    text-decoration: none;
}

.nav-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.nav-link strong {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.25rem;
    display: block;
}

.nav-link p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.3;
}

/* Content Grid for Dynamic Content */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.content-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.content-item.animated {
    opacity: 1;
    transform: translateY(0);
}

.content-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.content-item-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    aspect-ratio: 1;
}

.content-item-content {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    text-align: left;
}

.content-item-type {
    display: inline-block;
    color: white;
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.content-item-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.content-item-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.75rem;
    flex: 1;
}

.content-item-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.content-item-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: auto;
}

.content-item-link:hover {
    text-decoration: underline;
}

/* Impact Stats */
.impact-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
    text-align: center;
}

.stat-card {
    background: var(--primary);
    color: white;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* Getting Started Steps - ALL LEFT ALIGNED TIMELINE LAYOUT */
.process-timeline {
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.timeline-item.animated {
    opacity: 1;
    transform: translateY(0);
}

/* All items have same layout - no alternating */
.timeline-image {
    position: relative;
    cursor: pointer;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.timeline-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.timeline-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.timeline-content h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1.125rem;
}

.timeline-cta {
    text-align: center;
    margin-top: 3rem;
}

.timeline-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.timeline-note {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Partnership CTA */
.partnership-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 4rem 0;
    margin: 2rem 0;
    border-radius: var(--radius-xl);
}

.partnership-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.partnership-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.partnership-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.partnership-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    justify-items: center;
    margin: 2rem auto;
    max-width: 600px;
}

.benefit {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

.partnership-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2rem 0;
}

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

.btn-white:hover {
    background: var(--background);
}

.btn-ghost-white {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-ghost-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}

.contact-info {
    margin-top: 2rem;
    font-size: 0.95rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-info a {
    color: var(--accent);
}

.contact-info a:hover {
    text-decoration: underline;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
}

.modal-container {
    background: white;
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.show .modal-container {
    transform: scale(1);
}

.modal-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--background);
}

.modal-content {
    padding: 1rem 2rem 2rem;
}

/* Image Modal */
.image-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-modal-overlay.show {
    opacity: 1;
}

.image-modal-container {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    text-align: center;
}

.image-modal-container img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.image-modal-close {
    position: absolute;
    top: -50px;
    right: -20px;
    background: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.image-modal-close:hover {
    background: var(--background);
}

.image-modal-caption {
    color: white;
    margin-top: 1rem;
    font-size: 1.125rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.animated {
    animation: fadeInUp 0.6s ease forwards;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .value-props {
        grid-template-columns: 1fr;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .platform-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Timeline mobile layout */
    .timeline-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }
    
    .timeline-image {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    /* Auth buttons mobile */
    .auth-buttons {
        position: relative;
        top: auto;
        right: auto;
        margin-bottom: 1rem;
        justify-content: center;
    }
    
    /* Reduce padding on sections */
    .bento {
        padding: 2rem 1.5rem;
    }
    
    .hero-bento {
        padding: 3rem 2rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-image-full {
        margin-top: 2rem;
    }
    
    .hero-image-full img {
        min-height: 200px;
    }
    
    /* NCAT stats mobile */
    .ncat-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    /* Impact stats mobile */
    .impact-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-card {
        padding: 2rem 1.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    /* Platform features mobile */
    .platform-features {
        grid-template-columns: 1fr;
    }
    
    /* Partnership mobile */
    .partnership-section {
        padding: 3rem 1rem;
    }
    
    .partnership-content h2 {
        font-size: 2rem;
    }
    
    .partnership-benefits {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .partnership-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Modal mobile */
    .modal-container {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-header {
        padding: 1.5rem 1.5rem 1rem;
    }
    
    .modal-content {
        padding: 1rem 1.5rem 1.5rem;
    }
    
    .modal-header h3 {
        font-size: 1.25rem;
    }
    
    /* Content grid mobile */
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    /* Timeline mobile */
    .timeline-image {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .timeline-content h4 {
        font-size: 1.25rem;
    }
    
    .timeline-content p {
        font-size: 1rem;
    }
    
    /* Image modal mobile */
    .image-modal-close {
        top: -40px;
        font-size: 2rem;
        width: 40px;
        height: 40px;
    }
    
    .image-modal-container img {
        max-height: 70vh;
    }
    
    .image-modal-caption {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    .nav-links {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .nav-link {
        padding: 1rem;
        min-height: 70px;
    }
}

@media (max-width: 480px) {
    /* Small mobile adjustments */
    .hero-content h1 {
        font-size: 1.75rem;
    }
    
    .bento {
        padding: 1.5rem 1rem;
        border-radius: var(--radius-md);
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .category-item,
    .platform-card,
    .value-card {
        padding: 1.5rem;
    }
    
    .category-icon,
    .platform-icon,
    .value-icon {
        font-size: 2rem;
    }
}

/* Touch-friendly adjustments */
@media (hover: none) and (pointer: coarse) {
    .value-card:hover,
    .category-item:hover,
    .platform-card:hover,
    .stat-card:hover,
    .timeline-image:hover {
        transform: none;
    }
    
    .btn {
        min-height: 44px;
    }
}

/* Print Styles */
@media print {
    .nonprofits-hero {
        background: white !important;
    }
    
    .hero-image-bento,
    .auth-buttons,
    .partnership-section {
        display: none;
    }
    
    .bento {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Focus Styles */
*:focus {
    outline: none;
}

*:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Loading states */
img.loaded {
    opacity: 1;
}

img:not(.loaded) {
    opacity: 0;
    transition: opacity 0.3s;
}