/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #EA580C; /* Orange 600 */
    --primary-dark: #C2410C;  /* Orange 700 */
    --secondary-color: #64748b;
    --accent-color: #F97316;  /* Orange 500 */
    --purpose-color: #7c3aed;
    --purpose-light: #a78bfa;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #FFF7ED; /* subtle warm background */
    --bg-dark: #0f172a;
    --border-color: #E2E8F0; /* neutral border */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    justify-content: center;
}

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

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

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

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

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

.btn-full {
    width: 100%;
}

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

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h2 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.5rem;
}

/* Brand mark and lockup */
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-mark {
    width: 28px;
    height: 28px;
}

.brand-text {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.01em;
}

.brand-text .accent {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
}

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

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

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.purpose-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--purpose-color), var(--purpose-light));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-md);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-md);
    }
    50% {
        transform: scale(1.05);
        box-shadow: var(--shadow-lg);
    }
}

/* Respect reduced motion: disable non-essential animations */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Mission Section */
.mission {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #f8fafc 100%);
    padding: 5rem 0;
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mission-text h2 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.mission-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.mission-values {
    display: grid;
    gap: 2rem;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.value-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.value-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.value-item p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

.impact-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

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

.stat h3 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stat p {
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0;
}

@media (max-width: 768px) {
    .mission-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .impact-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .stat {
        padding: 1.5rem 1rem;
    }
    
    .stat h3 {
        font-size: 2rem;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
    top: 20px;
    left: 20px;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 120px;
    right: 40px;
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    bottom: 40px;
    left: 60px;
    animation-delay: 4s;
}

.floating-card i {
    font-size: 2rem;
    color: var(--primary-color);
}

.floating-card span {
    font-weight: 500;
    color: var(--text-primary);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 80px 0;
    background-color: var(--bg-primary);
}

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

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 1.5rem;
    color: white;
}

.service-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.service-card p {
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Innovation Vanguard Section */
.innovation-vanguard {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.innovation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.innovation-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.innovation-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.innovation-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.innovation-icon i {
    font-size: 1.75rem;
    color: white;
}

.innovation-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.innovation-card p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.tech-tag {
    background: var(--bg-secondary);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.innovation-features {
    list-style: none;
    margin-top: 1.5rem;
}

.innovation-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.innovation-features li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.metrics {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
}

.metric {
    text-align: center;
}

.metric-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Technology Showcase Section */
.technology-showcase {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-category {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.tech-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.tech-icon i {
    font-size: 1.5rem;
    color: white;
}

.tech-category h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.tech-category p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tech-projects {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tag {
    background: var(--bg-secondary);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Emerging AI Frontiers Section */
.emerging-ai {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, #f0f9ff 100%);
}

.frontiers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.frontier-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.frontier-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.frontier-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.frontier-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.frontier-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.frontier-card p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.frontier-applications {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.frontier-applications span {
    background: var(--bg-secondary);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Why Choose Us Section */
.why-choose-us {
    padding: 80px 0;
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-md);
}

.feature-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.feature h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

/* Team Section */
.team-section {
    padding: 80px 0;
    background-color: var(--bg-primary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.team-member {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.team-member-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--bg-secondary), white);
    border-bottom: 2px solid var(--border-color);
}

.team-member-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.team-member-avatar i {
    font-size: 2rem;
    color: white;
}

.team-member-info {
    flex: 1;
}

.team-member-info h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.team-member-title {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
    margin: 0;
}

.team-member-content {
    padding: 2rem;
}

.team-member-bio {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
    font-size: 1.0625rem;
}

.team-member-expertise,
.team-member-achievements {
    margin-bottom: 2rem;
}

.team-member-expertise h4,
.team-member-achievements h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.team-member-expertise h4::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 2px;
}

.expertise-list,
.achievements-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.expertise-list li,
.achievements-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
    position: relative;
    line-height: 1.6;
}

.expertise-list li::before,
.achievements-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.125rem;
}

.team-member-linkedin {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.linkedin-link:hover {
    color: var(--primary-dark);
    gap: 0.75rem;
}

.linkedin-link i {
    font-size: 1.25rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background-color: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.contact-info p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
}

.contact-item i {
    color: var(--primary-color);
    width: 20px;
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--text-light);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
}

.footer-section ul li i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--text-light);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .floating-card {
        padding: 1rem;
    }
    
    .floating-card i {
        font-size: 1.5rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .team-member-header {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .team-member-content {
        padding: 1.5rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 1rem 15px;
    }
}

@media (max-width: 480px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 100px 0 60px;
    }
    
    .services,
    .why-choose-us,
    .team-section,
    .contact {
        padding: 60px 0;
    }
    
    .service-card {
        padding: 2rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
}

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

/* Focus States for Accessibility */
.btn:focus,
.nav-links a:focus,
.footer-section ul li a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading States */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Success/Error States */
.form-group.success input,
.form-group.success select,
.form-group.error textarea {
    border-color: #10b981;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #ef4444;
}

.form-group.error .error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Case Studies Page Styles */
.case-studies-hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.stats-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

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

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 0.5rem;
}

/* Case Study Cards */
.case-studies {
    padding: 80px 0;
    background-color: var(--bg-primary);
}

.case-study-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    margin-bottom: 3rem;
    overflow: hidden;
    transition: var(--transition);
}

.case-study-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.case-study-header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 2.5rem;
}

.case-study-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.case-study-category,
.case-study-duration {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.case-study-header h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.75rem;
}

.case-study-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin: 0;
}

.case-study-content {
    padding: 2.5rem;
}

.case-study-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.overview-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

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

.case-study-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.detail-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.detail-section ul {
    list-style: none;
}

.detail-section li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.detail-section li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.case-study-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.metric {
    text-align: center;
}

.metric-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 0.5rem;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background-color: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.6;
    margin: 0;
}

.testimonial-author {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.author-info h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.author-info span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

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

.cta-content h2 {
    color: white;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

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

/* Active Navigation State */
.nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* Dashboard and Portal Styles */
.dashboard-container,
.portal-container {
    display: flex;
    min-height: calc(100vh - 80px);
    margin-top: 80px;
}

.dashboard-sidebar,
.portal-sidebar {
    width: 280px;
    background: white;
    border-right: 1px solid var(--border-color);
    padding: 2rem 0;
    position: fixed;
    height: calc(100vh - 80px);
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 2rem 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

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

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0 1rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.sidebar-link:hover,
.sidebar-link.active {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.sidebar-link i {
    width: 20px;
    text-align: center;
}

.badge {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: auto;
}

.dashboard-main,
.portal-main {
    flex: 1;
    margin-left: 280px;
    padding: 2rem;
    background-color: var(--bg-secondary);
}

.dashboard-section,
.portal-section {
    display: none;
}

.dashboard-section.active,
.portal-section.active {
    display: block;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    font-size: 1.5rem;
    color: white;
}

.stat-content h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin: 0 0 0.5rem 0;
}

.stat-content p {
    margin: 0;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Header Actions */
.header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.filters {
    display: flex;
    gap: 1rem;
}

.filters select {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    font-size: 0.875rem;
}

/* Requests Table */
.requests-table-container {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.requests-table {
    width: 100%;
    border-collapse: collapse;
}

.requests-table th,
.requests-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.requests-table th {
    background-color: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.requests-table tr:hover {
    background-color: var(--bg-secondary);
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-new { background: #dbeafe; color: #1d4ed8; }
.status-in-review { background: #fef3c7; color: #d97706; }
.status-in-progress { background: #d1fae5; color: #059669; }
.status-on-hold { background: #f3e8ff; color: #7c3aed; }
.status-completed { background: #dcfce7; color: #16a34a; }

.priority-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.priority-low { background: #f3f4f6; color: #6b7280; }
.priority-medium { background: #fef3c7; color: #d97706; }
.priority-high { background: #fed7aa; color: #ea580c; }
.priority-urgent { background: #fecaca; color: #dc2626; }

/* Order Styles */
.order-items-section {
    margin-top: 2rem;
}

.order-items-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.order-items-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.item-details {
    flex: 1;
}

.item-details strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.item-details small {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.item-price {
    font-weight: 600;
    color: var(--primary-color);
    text-align: right;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.close {
    color: var(--text-secondary);
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-body {
    padding: 2rem;
}

/* Request Info */
.request-info {
    margin-bottom: 2rem;
}

.info-row {
    display: flex;
    margin-bottom: 1rem;
    align-items: center;
}

.info-row label {
    font-weight: 600;
    color: var(--text-primary);
    width: 120px;
    flex-shrink: 0;
}

.info-row span,
.info-row select {
    color: var(--text-secondary);
}

.info-row select {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    min-width: 200px;
}

.info-row p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Messages Section */
.messages-section {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.messages-section h4 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.messages-container {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.message {
    margin-bottom: 1rem;
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.message-author {
    font-weight: 600;
    color: var(--text-primary);
}

.message-time {
    font-size: 0.875rem;
    color: var(--text-light);
}

.message-content {
    color: var(--text-secondary);
    line-height: 1.6;
}

.message.internal {
    border-left: 4px solid var(--primary-color);
    background: var(--bg-secondary);
}

.add-message {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.add-message textarea {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.message-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Recent Activity */
.recent-activity {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.recent-activity h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.activity-content h4 {
    margin: 0 0 0.25rem 0;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.activity-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* Client Portal Specific */
.client-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.requests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.request-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.request-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.request-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.request-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.request-meta span {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.request-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.request-actions {
    display: flex;
    gap: 1rem;
}

/* Form Styles */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.new-request-form,
.profile-form {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.password-change-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.password-change-section h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

/* Loading and Notifications */
.loading-spinner {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    z-index: 3000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

/* Skeleton Loading for Form */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--border-radius);
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-text.long {
    width: 100%;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.notification-toast {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 4000;
    max-width: 400px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.toast-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    margin-left: 1rem;
}

/* User Info */
.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.user-info i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 2rem;
}

.login-card {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 500px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    margin: 0;
}

.login-tabs {
    display: flex;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    padding: 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

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

.login-form {
    display: none;
}

.login-form.active {
    display: block;
}

.form-footer {
    text-align: center;
    margin-top: 1rem;
}

.form-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
}

.form-footer a:hover {
    text-decoration: underline;
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.login-footer a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
}

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

/* Responsive Design for Dashboard/Portal */
@media (max-width: 1024px) {
    .dashboard-sidebar,
    .portal-sidebar {
        width: 240px;
    }
    
    .dashboard-main,
    .portal-main {
        margin-left: 240px;
    }
}

@media (max-width: 768px) {
    .dashboard-container,
    .portal-container {
        flex-direction: column;
    }
    
    .dashboard-sidebar,
    .portal-sidebar {
        position: static;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .dashboard-main,
    .portal-main {
        margin-left: 0;
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .filters {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .header-actions {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .requests-table {
        font-size: 0.875rem;
    }
    
    .requests-table th,
    .requests-table td {
        padding: 0.75rem 0.5rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 2% auto;
    }
    
    .modal-body {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .dashboard-main,
    .portal-main {
        padding: 0.5rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
    }
    
    .stat-content h3 {
        font-size: 1.5rem;
    }
    
    .sidebar-nav {
        padding: 0 0.5rem;
    }
    
    .sidebar-link {
        padding: 0.75rem;
    }
}

/* Responsive Design for Case Studies */
@media (max-width: 768px) {
    .case-study-header {
        padding: 2rem;
    }
    
    .case-study-content {
        padding: 2rem;
    }
    
    .case-study-overview {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .case-study-details {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .case-study-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .case-study-header {
        padding: 1.5rem;
    }
    
    .case-study-content {
        padding: 1.5rem;
    }
    
    .case-study-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .case-study-metrics {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats-card {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* ============================================
   Products Section
   ============================================ */
.products-section {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

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

.product-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.product-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.product-icon i {
    font-size: 1.75rem;
    color: white;
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.product-card p {
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.product-pricing {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 6px;
    text-align: center;
}

.product-card .btn {
    width: 100%;
}

@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .products-section {
        padding: 4rem 0;
    }
}

/* ============================================
   Analytics Dashboard
   ============================================ */

.analytics-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.metric-icon i {
    color: white;
}

.metric-content {
    flex: 1;
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.metric-change {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.change-indicator {
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-weight: 600;
}

.change-indicator.positive {
    background: #dcfce7;
    color: #166534;
}

.change-indicator.negative {
    background: #fee2e2;
    color: #991b1b;
}

.analytics-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-container {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.chart-container h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

.chart-placeholder {
    height: 200px;
    background: var(--bg-secondary);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-align: center;
}

.chart-placeholder i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    opacity: 0.6;
}

.top-pages-list,
.conversions-list {
    space-y: 0.75rem;
}

.page-item,
.conversion-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.page-path,
.conversion-type {
    font-weight: 500;
    color: var(--text-primary);
}

.page-views,
.conversion-count {
    font-weight: 600;
    color: var(--primary-color);
}

.realtime-activity {
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.activity-item:last-child {
    margin-bottom: 0;
}

.activity-item i {
    color: var(--accent-color);
    font-size: 0.75rem;
}

.activity-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.analytics-tables {
    margin-top: 2rem;
}

.analytics-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.analytics-table th {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
}

.analytics-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.analytics-table tbody tr:hover {
    background: var(--bg-secondary);
}

.loading {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

/* Responsive analytics */
@media (max-width: 768px) {
    .analytics-overview {
        grid-template-columns: 1fr;
    }

    .analytics-charts {
        grid-template-columns: 1fr;
    }

    .metric-card {
        padding: 1rem;
    }

    .metric-value {
        font-size: 1.5rem;
    }
}

/* ============================================
   Financials Dashboard
   ============================================ */

.financial-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.financial-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.financial-tables {
    margin-top: 2rem;
}

.financial-tables .table-section {
    margin-bottom: 2rem;
}

.financial-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.financial-table th {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
}

.financial-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.financial-table tbody tr:hover {
    background: var(--bg-secondary);
}

.payment-methods-breakdown,
.service-revenue-breakdown,
.failed-payments {
    space-y: 0.75rem;
}

.method-item,
.service-item,
.failure-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.method-name,
.service-name,
.failure-reason {
    font-weight: 500;
    color: var(--text-primary);
}

.method-amount,
.service-amount,
.failure-amount,
.method-percentage,
.service-percentage {
    font-weight: 600;
    color: var(--primary-color);
}

.failure-count {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.status-completed {
    background: #dcfce7;
    color: #166534;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-pending {
    background: #fef3c7;
    color: #92400e;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-cancelled {
    background: #fee2e2;
    color: #991b1b;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Responsive financials */
@media (max-width: 768px) {
    .financial-overview {
        grid-template-columns: 1fr;
    }

    .financial-charts {
        grid-template-columns: 1fr;
    }

    .financial-table {
        font-size: 0.8rem;
    }

    .financial-table th,
    .financial-table td {
        padding: 0.5rem;
    }

    .method-item,
    .service-item,
    .failure-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
}

/* ==========================================
   Invoice Creation Modal Styles
   ========================================== */

#createInvoiceModal .modal-content {
    max-width: 600px;
}

#createInvoiceModal .modal-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#createInvoiceModal .modal-header h3 i {
    color: var(--primary-color);
}

.form-grid {
    display: grid;
    gap: 1rem;
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input::placeholder {
    color: #9ca3af;
}

.conditional-fields {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.conditional-fields h4 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.modal-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Invoice Result Styles */
.invoice-result {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.success-banner {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1.5rem;
}

.success-banner i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.success-banner h4 {
    margin: 0;
    font-size: 1.25rem;
}

.link-copy-container {
    display: flex;
    gap: 0.5rem;
}

.invoice-link-input {
    flex: 1;
    font-family: monospace;
    font-size: 0.875rem;
    background: #f3f4f6;
}

.link-copy-container .btn {
    flex-shrink: 0;
    padding: 0.75rem 1rem;
}

/* BTCPay Status Indicator */
.btcpay-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
}

.btcpay-status.connected {
    background: #d1fae5;
    color: #065f46;
}

.btcpay-status.disconnected {
    background: #fee2e2;
    color: #991b1b;
}

.btcpay-status i {
    font-size: 0.75rem;
}

/* Responsive Invoice Modal */
@media (max-width: 640px) {
    #createInvoiceModal .modal-content {
        margin: 0;
        max-width: 100%;
        height: 100%;
        border-radius: 0;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
    
    .link-copy-container {
        flex-direction: column;
    }
}