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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #f8fafc;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: 6px;
    background: #3b82f6;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 9999;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 6px;
}

/* Header */
header {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(71, 85, 105, 0.8);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.8rem;
    font-weight: 700;
    color: #f8fafc;
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #3b82f6;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: #061019;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(107, 114, 128, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: #f8fafc;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-logo {
    height: 300px;
    width: auto;
    margin-bottom: 2rem;
    max-width: 90vw;
}

.hero p {
    font-size: 1.3rem;
    color: #cbd5e1;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-button {
    display: inline-block;
    background: #3b82f6;
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
}

.cta-button:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.35);
}

/* Section Styling */
.section {
    padding: 4rem 0;
    position: relative;
}

.section:nth-child(even) {
    background: rgba(30, 41, 59, 0.5);
}

.section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #3b82f6;
    border-radius: 2px;
}

.section-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.section p {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 1.5rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: rgba(30, 41, 59, 0.8);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 1px solid rgba(71, 85, 105, 0.8);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.3);
    border-color: #3b82f6;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 1rem;
}

.service-card p {
    color: #cbd5e1;
    text-align: left;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: #f8fafc;
    text-align: center;
    border-top: 1px solid #475569;
    border-bottom: 1px solid #475569;
}

.contact h2 {
    color: #f8fafc;
}

.contact h2::after {
    background: #3b82f6;
}

.contact p {
    color: #cbd5e1;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #f8fafc;
    background: rgba(30, 41, 59, 0.8);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 1px solid #475569;
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    border-color: #3b82f6;
}

.contact-item a {
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 600;
}

.contact-item a:hover {
    color: #2563eb;
}

.nonprofit-note {
    margin-top: 2rem;
    padding: 1rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 6px;
    border-left: 4px solid #3b82f6;
}

/* Footer */
footer {
    background: #0f172a;
    color: #94a3b8;
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid #334155;
}

/* Page-specific styles for AI Assessment */
.page-header {
    padding: 6rem 0 3rem;
    text-align: center;
    background: #061019;
    border-bottom: 1px solid #475569;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(107, 114, 128, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.page-header .subtitle {
    font-size: 1.3rem;
    font-weight: 500;
    color: #3b82f6;
    margin-bottom: 1.5rem;
}

.page-header p {
    font-size: 1.1rem;
    color: #cbd5e1;
    max-width: 700px;
    margin: 0 auto 1rem;
    line-height: 1.6;
}

.content-section {
    padding: 3rem 0;
}

.content-section h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.content-section h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: #3b82f6;
    border-radius: 2px;
}

.content-section .section-content p {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.assessment-item {
    background: rgba(30, 41, 59, 0.8);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(71, 85, 105, 0.8);
    transition: all 0.3s ease;
}

.assessment-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
    border-color: #3b82f6;
}

.assessment-item h4 {
    font-size: 1.2rem;
    font-weight: 500;
    color: #f8fafc;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.assessment-item p {
    color: #cbd5e1;
    text-align: left;
    margin-bottom: 0;
}

.deliverables-list {
    list-style: none;
    padding: 0;
    margin-top: 2rem;
}

.deliverables-list li {
    background: rgba(30, 41, 59, 0.8);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(71, 85, 105, 0.8);
    transition: all 0.3s ease;
}

.deliverables-list li:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    border-color: #3b82f6;
}

.deliverables-list li strong {
    color: #f8fafc;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.deliverables-list li p {
    color: #cbd5e1;
    margin: 0;
}

/* Boxed section with left-aligned content */
.boxed-section {
    background: rgba(30, 41, 59, 0.8);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(71, 85, 105, 0.8);
    text-align: left;
}

.boxed-section h3 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.boxed-section h3::after {
    left: 50%;
    transform: translateX(-50%);
}

.boxed-section ul {
    margin-left: 1.5rem;
    margin-top: 1rem;
}

.boxed-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.boxed-section p {
    margin-bottom: 1.5rem;
}

/* Challenge section specific styling - only for AI Product Development page */
.ai-product-development .section-content p strong {
    color: #f8fafc;
    font-size: 1.1rem;
}

.ai-product-development .section-content p:not(:first-of-type):not(:last-of-type) {
    margin-bottom: 2rem;
    padding-left: 1rem;
}

.assessment-grid + p {
    margin-top: 2rem;
}

.alternate-bg {
    background: rgba(30, 41, 59, 0.5);
}

.alternate-bg h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.alternate-bg h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: #3b82f6;
    border-radius: 2px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 2rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: #2563eb;
}

/* Hamburger Menu */
.hamburger-menu {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 0.25rem;
    z-index: 1001;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: #f8fafc;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Experience Grid */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.experience-item {
    background: rgba(59, 130, 246, 0.1);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
    transition: all 0.3s ease;
}

.experience-item:hover {
    background: rgba(59, 130, 246, 0.15);
    transform: translateX(5px);
}

.experience-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 0.5rem;
}

.experience-item p {
    color: #cbd5e1;
    font-size: 0.95rem;
    line-height: 1.5;
    text-align: left;
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger-menu {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(30, 41, 59, 0.98);
        backdrop-filter: blur(15px);
        padding: 1rem 0;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        border-top: 1px solid rgba(71, 85, 105, 0.8);
    }

    .nav-links.active {
        display: block;
    }

    .nav-links li {
        margin: 0;
        display: table;
        width: 100%;
        height: 60px;
        border-bottom: 1px solid rgba(71, 85, 105, 0.3);
    }

    .nav-links a {
        display: table-cell;
        vertical-align: middle;
        text-align: center;
        font-size: 1.1rem;
        padding: 0 2rem;
        height: 60px;
        border-bottom: none;
    }

    .nav-links a:hover {
        background: rgba(59, 130, 246, 0.1);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }

    .page-header .subtitle {
        font-size: 1.2rem;
    }

    .section h2 {
        font-size: 2rem;
    }

    .content-section h3 {
        font-size: 1.6rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .assessment-grid {
        grid-template-columns: 1fr;
    }

    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Animation on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Utility classes for inline styles cleanup */
.recommendations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.recommendation-item {
    background: rgba(59, 130, 246, 0.1);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
    transition: all 0.3s ease;
}

.recommendation-item:hover {
    background: rgba(59, 130, 246, 0.15);
    transform: translateX(5px);
}

.recommendation-item h4 {
    font-size: 1.1rem;
    font-weight: 500;
    color: #f8fafc;
    margin-bottom: 0.5rem;
}

.recommendation-item p {
    color: #cbd5e1;
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .recommendations-grid {
        grid-template-columns: 1fr;
    }
}

.call-to-action {
    font-size: 1.1rem;
    font-weight: 500;
    color: #f8fafc;
    margin-top: 2rem;
}

.subtle-text {
    font-style: italic;
    color: #cbd5e1;
}

.timezone-note {
    margin-top: 2rem;
    color: #94a3b8;
    font-size: 0.9rem;
}

.service-link {
    color: inherit;
    text-decoration: none;
}

.learn-more-link {
    color: #3b82f6;
    font-weight: 600;
}

.experience-heading {
    font-size: 1.4rem;
    font-weight: 600;
    color: #f8fafc;
    margin: 2rem 0 1.5rem;
    text-align: left;
}

.specialist-note {
    margin-top: 2rem;
}