:root {
    --brand: #0a6cf1;
    --brand-dark: #084fb3;
    --accent: #5b7fff;
    --text: #232323;
    --muted: #6b6b6b;
    --bg: #ffffff;
    --bg-alt: #f7f8fa;
    --radius: 10px;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 48px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-Thin.ttf') format('truetype');
    font-weight: 100;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-ExtraLight.ttf') format('truetype');
    font-weight: 200;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-ThinItalic.ttf') format('truetype');
    font-weight: 100;
    font-style: italic;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-ExtraLightItalic.ttf') format('truetype');
    font-weight: 200;
    font-style: italic;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-LightItalic.ttf') format('truetype');
    font-weight: 300;
    font-style: italic;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-Italic.ttf') format('truetype');
    font-weight: 400;
    font-style: italic;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-MediumItalic.ttf') format('truetype');
    font-weight: 500;
    font-style: italic;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-SemiBoldItalic.ttf') format('truetype');
    font-weight: 600;
    font-style: italic;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('/assets/fonts/IBM_Plex_Sans/static/IBMPlexSans-BoldItalic.ttf') format('truetype');
    font-weight: 700;
    font-style: italic;
}

body {
    font-family: 'IBM Plex Sans', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

h2 {
    font-size: 1.75rem;
    margin: 0 0 var(--space-xs);
}

h3 {
    font-size: 1.25rem;
    margin: 0 0 var(--space-xs);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--muted);
    margin: 0 0 var(--space-xl);
    max-width: 60ch;
}

.service-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-benefits li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: var(--space-xs);
    color: var(--text);
    opacity: 0.9;
}

.service-benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--brand);
    font-weight: 600;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    filter: grayscale(0.2);
}

.card-link {
    display: inline-block;
    margin-top: var(--space-sm);
    color: var(--brand);
    text-decoration: none;
    font-weight: 500;
}

.trust-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    text-align: center;
    margin-top: var(--space-xl);
}

.metric {
    padding: var(--space-lg);
}

.metric-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--brand);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.metric-label {
    font-size: 1rem;
    color: var(--muted);
}

.about-content {
    max-width: 65ch;
    font-size: 1.125rem;
    line-height: 1.7;
}

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

.case-study-type {
    color: var(--brand);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 var(--space-sm);
}

.legal-content {
    max-width: 800px;
    font-size: 14px;
    line-height: 1.4;
}

.legal-content h1 {
    font-size: 2rem;
    margin-bottom: var(--space-lg);
}

.legal-content h2 {
    font-size: 1.25rem;
    margin: var(--space-xl) 0 var(--space-sm);
}

.legal-content h3 {
    font-size: 1.125rem;
    margin: var(--space-lg) 0 var(--space-sm);
}

.legal-content p {
    margin-bottom: var(--space-sm);
}

.legal-content ul {
    margin-bottom: var(--space-md);
    padding-left: var(--space-md);
}

.legal-content li {
    margin-bottom: var(--space-xs);
}

#form-challenge {
    min-height: 26px;
}

.container {
    width: min(1100px, 92%);
    margin: 0 auto;
}

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

/* Ultra-condensed spacing */
main .section:not(.hero):not(.cta-section) {
    padding: var(--space-lg) 0;
}

main .section + .section {
    padding-top: 0;
}

.section.alt {
    background: var(--bg-alt);
}

.section.first {
    padding: unset;
}

.skip-link {
    position: absolute;
    left: -999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    left: 0;
    top: 0;
    padding: .75rem 1rem;
    background: #000;
    color: #fff;
    z-index: 1000;
}

.site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, .95);
    border-bottom: 1px solid #eee;
    backdrop-filter: blur(8px);
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 0;
}

.brand {
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    height: 35px;
}

.nav-toggle {
    display: none;
}

.menu {
    display: flex;
    list-style: none;
    gap: 1rem;
    margin: 0;
    padding: 0;
    align-items: center;
}

.menu a {
    text-decoration: none;
    color: var(--text);
    padding: var(--space-xs) var(--space-sm);
    border-radius: .25rem;
}

.menu a:hover:not(.btn) {
    background: var(--bg-alt);
}

.menu a:focus {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

.menu .btn-primary {
    color: #fff;
}

.hero {
    padding: var(--space-xl) 0;
    background: linear-gradient(180deg, #ffffff, #f5f8ff);
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.hero-logo-wrapper {
    display: flex;
    justify-content: center;
    flex-shrink: 0;
}

.hero-logo {
    height: 400px;
    max-width: 100%;
    object-fit: contain;
}

.hero-content {
    flex: 1;
    width: 100%;
}

.hero h1 {
    font-size: clamp(2rem, 3vw + 1rem, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin: 0 0 var(--space-sm);
}

@media (min-width: 1024px) {
    .hero-container {
        flex-direction: row;
        align-items: center;
        gap: 3rem;
    }
    
    .hero-logo-wrapper {
        flex: 0 0 auto;
    }
    
    .hero-logo {
        height: 350px;
    }
    
    .hero-content {
        flex: 1;
    }
    
    .hero h1 {
        text-align: left;
    }
}

.lead {
    color: var(--text);
    opacity: 0.8;
    font-size: 1.25rem;
    line-height: 1.5;
    max-width: 60ch;
}

.cta-group {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    flex-wrap: wrap;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    padding: 0;
    list-style: none;
}

.card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: var(--radius);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: 2px solid var(--brand);
    color: var(--brand);
    border-radius: .5rem;
    text-decoration: none;
    font-weight: 500;
    min-height: 44px;
    cursor: pointer;
}

.btn:hover {
    background: #eef4ff;
}

.btn:focus {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

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

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

.btn-primary {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

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

button[disabled] {
    cursor: not-allowed;
    background: var(--muted);
    border-color: var(--muted);

    :hover {
        background: var(--muted);
    }
}

.testimonial {
    background: #fff;
    border-left: 4px solid var(--brand);
    padding: 1rem;
    border-radius: var(--radius);
}

.site-footer {
    border-top: 1px solid #eee;
    padding: var(--space-xl) 0 var(--space-lg);
    background: var(--bg-alt);
    color: var(--muted);
    font-size: .95rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.footer-section h4 {
    color: var(--text);
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 var(--space-sm);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: var(--muted);
    text-decoration: none;
}

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

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid #e0e0e0;
    text-align: center;
}

.contact-container {
    max-width: 50rem;
}

.form-status {
    font-size: .95rem;
    margin-top: .75rem;
}

.form-status.ok {
    color: #106b21;
}

.form-status.error {
    color: #b00020;
}

.muted.small {
    color: var(--muted);
    font-size: .9rem;
}

form.card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: var(--radius);
    padding: 1rem;
    display: grid;
    gap: .5rem;
}

form.card input, form.card textarea {
    width: 100%;
    padding: .6rem .7rem;
    border: 1px solid #ddd;
    border-radius: .5rem;
}

@media (max-width: 800px) {
    .nav-toggle {
        display: inline-block;
        background: transparent;
        border: 1px solid #ddd;
        padding: .5rem .75rem;
        border-radius: .5rem;
    }

    .menu {
        display: none;
        position: absolute;
        right: 4%;
        top: 56px;
        background: #fff;
        border: 1px solid #eee;
        border-radius: .75rem;
        padding: .75rem;
        flex-direction: column;
    }

    .menu.open {
        display: flex;
    }
}

/* Case Study Styles */
.back-link {
    display: inline-block;
    color: var(--muted);
    text-decoration: none;
    margin-bottom: var(--space-md);
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--brand);
}

.case-study-meta {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.tag {
    background: var(--brand);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.reading-time {
    color: var(--muted);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
}

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

.stat-card {
    background: white;
    padding: var(--space-md);
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-card h3 {
    font-size: 2rem;
    color: var(--brand);
    margin: 0 0 var(--space-xs) 0;
}

.stat-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.875rem;
}

.process-list {
    counter-reset: process-counter;
    list-style: none;
    padding: 0;
    margin-top: var(--space-lg);
}

.process-list li {
    counter-increment: process-counter;
    position: relative;
    padding-left: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.process-list li::before {
    content: counter(process-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--brand);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.process-list h3 {
    margin: 0 0 var(--space-sm) 0;
    color: var(--text);
}

.process-list p {
    margin: 0;
    color: var(--muted);
}

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

.result-card {
    background: white;
    padding: var(--space-md);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.result-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--brand);
    margin-bottom: var(--space-xs);
}

.result-card h3 {
    margin: 0 0 var(--space-xs) 0;
    font-size: 1.1rem;
}

.result-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.85rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.feature-card {
    padding: var(--space-md);
    background: var(--bg-alt);
    border-radius: var(--radius);
}

.feature-card h3 {
    margin: 0 0 var(--space-xs) 0;
    color: var(--text);
    font-size: 1.1rem;
}

.feature-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    list-style: none;
    padding: 0;
    margin-top: var(--space-lg);
}

.tech-list li {
    background: var(--bg-alt);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius);
    border: 1px solid rgba(0,0,0,0.1);
}

.cta-section {
    text-align: center;
    padding: var(--space-xl) 0;
}

.cta-section h2 {
    margin-bottom: var(--space-md);
}

.cta-section p {
    margin-bottom: var(--space-xl);
    color: var(--muted);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.impact-list {
    list-style: none;
    padding: 0;
    margin-top: var(--space-lg);
}

.impact-list li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    font-size: 0.9rem;
}

.impact-list li:last-child {
    border-bottom: none;
}

.impact-list strong {
    color: var(--text);
    margin-right: var(--space-sm);
}

.footer {
    background: var(--bg-alt);
    padding: var(--space-lg) 0 var(--space-md);
    margin-top: var(--space-xl);
    border-top: 1px solid rgba(0,0,0,0.1);
}

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

.footer-logo {
    height: 40px;
    margin-bottom: var(--space-sm);
}

.footer h4 {
    margin: 0 0 var(--space-md) 0;
    font-size: 1rem;
    color: var(--text);
}

.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer ul li {
    margin-bottom: var(--space-xs);
}

.footer ul li a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}

.footer ul li a:hover {
    color: var(--brand);
}