/* =================================================================
   GrowthX Professional Design System
   ================================================================= */

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

/* Custom Properties (CSS Variables) */
:root {
    /* Colors */
    --color-primary: #0A74DA;
    --color-primary-hover: #0863c7;
    --color-primary-light: #e6f2ff;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-background: #fefefe;
    --color-background-light: #fafafa;
    --color-border: #eaeaea;
    --color-border-light: #f5f5f5;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-error: #dc3545;
    
    /* Typography */
    --font-primary: 'Spectral', Georgia, serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 16px;
    --font-size-sm: 18px;
    --font-size-base: 20px;
    --font-size-lg: 24px;
    --font-size-xl: 28px;
    --font-size-2xl: 36px;
    --font-size-3xl: 56px;
    --line-height-tight: 1.3;
    --line-height-base: 1.7;
    --line-height-relaxed: 1.8;
    
    /* Spacing */
    --spacing-xs: 12px;
    --spacing-sm: 16px;
    --spacing-base: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    
    /* Layout */
    --container-max-width: 1000px;
    --grid-gap: 24px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base Typography */
html {
    scroll-behavior: smooth;
}

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

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: var(--line-height-tight);
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
}

h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-2xl);
    font-weight: 700;
}

h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xl);
}

h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
}

h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

h5, h6 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-base);
}

p {
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
    line-height: var(--line-height-base);
}

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

a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* Layout System */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.grid {
    display: grid;
    gap: var(--grid-gap);
}

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

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

.grid-12 {
    grid-template-columns: repeat(12, 1fr);
}

.col-span-6 {
    grid-column: span 6;
}

.col-span-8 {
    grid-column: span 8;
}

.col-span-4 {
    grid-column: span 4;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

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

.text-left {
    text-align: left;
}

/* Header Styles */
.header {
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

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

.logo {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: var(--spacing-xl);
    font-family: var(--font-secondary);
}

.nav-link {
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.nav-link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.nav-link.active {
    color: var(--color-primary);
}

/* Mobile menu toggle button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    margin: 3px 0;
    transition: all var(--transition-fast);
    transform-origin: center;
}

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

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* WordPress Block Navigation Mobile Styles */
.wp-block-navigation__responsive-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
}

.wp-block-navigation__responsive-container.has-modal-open,
.wp-block-navigation__responsive-container.is-menu-open {
    display: block;
}

.wp-block-navigation__responsive-close {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.wp-block-navigation__responsive-dialog {
    position: absolute;
    top: 0;
    right: 0;
    width: 80%;
    height: 100%;
    background-color: var(--color-background);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-base);
}

.wp-block-navigation__responsive-container.has-modal-open .wp-block-navigation__responsive-dialog,
.wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__responsive-dialog {
    transform: translateX(0);
}

.wp-block-navigation__responsive-container-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    z-index: 1001;
}

.wp-block-navigation__responsive-container-content {
    margin-top: var(--spacing-3xl);
}

.wp-block-navigation__responsive-container .wp-block-navigation__container {
    flex-direction: column;
    gap: var(--spacing-lg);
}

.wp-block-navigation__responsive-container .wp-block-navigation-item__content {
    font-size: var(--font-size-lg);
    padding: var(--spacing-base) 0;
    color: var(--color-text);
    text-decoration: none;
}

.wp-block-navigation__responsive-container .wp-block-navigation-item__content:hover {
    color: var(--color-primary);
}

/* WordPress navigation toggle button - bigger on mobile */
@media (max-width: 768px) {
    .wp-block-navigation__responsive-container-open,
    button.wp-block-navigation__responsive-container-open,
    .wp-block-navigation .wp-block-navigation__responsive-container-open {
        width: 60px !important;
        height: 60px !important;
        padding: 16px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        background-color: #FFD700 !important;
        border-radius: 8px !important;
        border: none !important;
    }
    
    .wp-block-navigation__responsive-container-open svg,
    button.wp-block-navigation__responsive-container-open svg,
    .wp-block-navigation .wp-block-navigation__responsive-container-open svg {
        width: 32px !important;
        height: 32px !important;
    }
}


/* Hero Section */
.hero {
    padding: var(--spacing-3xl) 0;
    background: var(--color-background);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text h1 {
    margin-bottom: var(--spacing-xl);
    line-height: 1.2;
}

.hero-text p {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
    line-height: var(--line-height-relaxed);
}

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

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

/* Content Sections */
.section {
    padding: var(--spacing-3xl) 0;
}

.section:nth-child(even) {
    background-color: var(--color-background-light);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.content-block {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.content-block:nth-child(even) {
    grid-template-columns: 2fr 3fr;
}

.content-block:nth-child(even) .content-text {
    order: 2;
}

.content-block:nth-child(even) .content-image {
    order: 1;
}

.content-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

/* Cards */
.card {
    background: var(--color-background);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    border: 1px solid var(--color-border-light);
    transition: border-color var(--transition-base);
}

.card:hover {
    border-color: var(--color-border);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: var(--font-secondary);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    min-height: 52px;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* FAQ Accordion */
.faq-item {
    background: var(--color-background);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--color-border-light);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-xl);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-size-lg);
    font-weight: 600;
    font-family: var(--font-primary);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    line-height: var(--line-height-tight);
}

.faq-question:hover {
    background-color: var(--color-background-light);
}

.faq-icon {
    font-size: var(--font-size-xl);
    font-family: var(--font-secondary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    display: none;
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
}

.faq-item.active .faq-answer {
    display: block;
    animation: fadeIn var(--transition-base);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-xl);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-base);
    font-weight: 600;
    color: var(--color-text);
    font-family: var(--font-secondary);
}

.form-input {
    width: 100%;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-secondary);
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(10, 116, 218, 0.1);
}

/* Lead Capture Form Styles */
.form-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.form-container {
    background: var(--color-background);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.form-header {
    margin-bottom: var(--spacing-2xl);
}

.form-header h2 {
    margin-bottom: var(--spacing-base);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.lead-form {
    max-width: none;
}

.form-submit {
    width: 100%;
    margin-top: var(--spacing-lg);
}

.form-disclaimer {
    text-align: center;
    margin-top: var(--spacing-lg);
    margin-bottom: 0;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat strong {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Benefits Sidebar */
.benefits-sidebar {
    background: var(--color-background-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    height: fit-content;
    position: sticky;
    top: var(--spacing-xl);
}

.benefits-sidebar h3 {
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-base);
    margin-bottom: var(--spacing-xl);
}

.benefit-icon {
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.benefit-content h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.benefit-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0;
}

.testimonial {
    background: var(--color-background);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    border-left: 4px solid var(--color-primary);
}

.testimonial blockquote {
    font-style: italic;
    margin-bottom: var(--spacing-base);
    color: var(--color-text-light);
}

.testimonial cite {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: normal;
}

/* Testimonial Content */
.testimonial-content {
    text-align: left;
}

.testimonial-content p {
    font-style: italic;
    margin-bottom: var(--spacing-lg);
}

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

.testimonial-author strong {
    display: block;
    font-weight: 600;
    color: var(--color-text);
}

.testimonial-author span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Checkbox Styles */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    width: auto;
}

.checkmark {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-radius: 3px;
    margin-top: 2px;
}

/* Case Study Styles */
.case-study-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
}

.case-study-overview {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.challenge-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.challenge-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-background-light);
    border-radius: var(--border-radius);
}

.challenge-item h4 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.challenge-item p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Solution Steps */
.solution-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    max-width: 800px;
    margin: 0 auto;
}

.step-item {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
}

.step-number {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    background: var(--color-primary-light);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: var(--spacing-base);
    color: var(--color-text);
}

.step-content ul {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-base);
}

.step-content li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-light);
    position: relative;
    padding-left: var(--spacing-lg);
}

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

/* Case Study Cards */
.case-studies {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.case-study-card {
    background: var(--color-background);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    border: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    min-height: 600px;
}

.case-study-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.case-study-header h3 {
    margin-bottom: var(--spacing-base);
    color: var(--color-text);
}

.industry {
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-base);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: var(--font-secondary);
    display: inline-block;
}

.case-study-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.before-after {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-grow: 1;
}

.before,
.after {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    min-height: 240px;
}

.before {
    background: #fef2f2;
    border-left: 4px solid #ef4444;
}

.after {
    background: #f0fdf4;
    border-left: 4px solid #22c55e;
}

.before h4,
.after h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    flex-shrink: 0;
}

.before ul,
.after ul {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.before li,
.after li {
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: var(--line-height-base);
}

.key-metric {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-primary-light);
    border-radius: var(--border-radius);
    color: var(--color-primary);
    font-weight: 600;
    font-family: var(--font-secondary);
    margin-top: auto;
}

/* Methodology */
.methodology {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.methodology-points {
    display: grid;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.method-point h4 {
    margin-bottom: var(--spacing-base);
    color: var(--color-text);
}

.method-point p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

.methodology-visual {
    background: var(--color-background);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: var(--spacing-xl);
}

.visual-placeholder h3 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

.process-flow {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.flow-item {
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--spacing-base) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    min-width: 140px;
    font-family: var(--font-secondary);
    flex-shrink: 0;
}

.flow-arrow {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    font-weight: bold;
    line-height: 1;
    flex-shrink: 0;
}

/* CTA Section */
.cta-section {
    max-width: 600px;
    margin: 0 auto;
}

.cta-benefits {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin: var(--spacing-2xl) 0;
    flex-wrap: wrap;
}

.cta-benefit {
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.cta-benefit strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.cta-benefit span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.cta-disclaimer {
    margin-top: var(--spacing-lg);
    margin-bottom: 0;
}

/* Medium screens - tablets */
@media (max-width: 1024px) and (min-width: 769px) {
    .case-studies {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .case-study-card:last-child {
        grid-column: 1 / -1;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-base);
    }
    
    .grid-2,
    .grid-3,
    .grid-12 {
        grid-template-columns: 1fr;
    }
    
    .hero-content,
    .content-block,
    .content-block:nth-child(even) {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .content-block:nth-child(even) .content-text,
    .content-block:nth-child(even) .content-image {
        order: initial;
    }
    
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-background);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-xl);
        text-align: center;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }
    
    .nav.nav-open {
        transform: translateX(0);
    }
    
    .nav .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-lg) 0;
    }
    
    h1 {
        font-size: var(--font-size-2xl);
    }
    
    h2 {
        font-size: var(--font-size-xl);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    /* Form Responsive */
    .form-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-base);
    }
    
    .hero-stats,
    .case-study-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .benefits-sidebar {
        position: static;
        order: -1;
    }
    
    /* Case Study Responsive */
    .case-study-overview,
    .methodology {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .challenge-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-base);
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .step-number {
        align-self: center;
    }
    
    .case-studies {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .case-study-card {
        min-height: auto;
    }
    
    .before-after {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .before,
    .after {
        min-height: auto;
    }
    
    .cta-benefits {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .methodology-visual {
        position: static;
    }
    
    /* Process Flow Mobile Layout */
    .process-flow {
        flex-direction: column;
        gap: var(--spacing-lg);
        align-items: center;
    }
    
    .flow-item {
        min-width: 180px;
    }
}

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

.fade-in {
    animation: fadeIn var(--transition-base);
}

/* Utility Classes */
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-base); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-base); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-base); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

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

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

/* Section Dividers */
.section-divider {
    height: 1px;
    background-color: var(--color-border-light);
    margin: var(--spacing-3xl) 0;
}

/* Footer */
.footer {
    background-color: var(--color-text);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.footer a {
    color: white;
}

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