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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
}

/* Font Face - Priority Loading */
@font-face {
    font-family: 'Space Grotesk';
    src: url('assets/fonts/space-grotesk.woff2') format('woff2');
    font-weight: 300 700;
    font-display: swap;
    font-style: normal;
}

/* Force Space Grotesk globally */
html {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

/* CSS Custom Properties */
:root {
    --primary-color: #184bb9;
    --primary-hover: #6c8ebf;
    --secondary-color: #6B7280;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --background-color: #ffffff;
    --surface-color: #F9FAFB;
    --border-color: #E5E7EB;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --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);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    font-weight: 600;
    line-height: 1.2;
}

p,
span,
div,
a,
button,
input,
textarea {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

/* Specific elements */
.hero-title,
.section-title,
.feature-title,
.pricing-title {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.navbar {
    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: all var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-image {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.nav-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

/* Menu hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    position: relative;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
    display: block;
}

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

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

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

.nav-cta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.nav-cta-mobile {
    display: none;
}

/* S'assurer que le container de navigation est bien configuré */
@media (max-width: 768px) {
    .nav-container {
        position: relative;
    }

    .nav-container>.nav-cta {
        display: none !important;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: #374151;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-medium {
    padding: var(--spacing-sm) var(--spacing-lg);
}

.btn-icon {
    width: 16px;
    height: 16px;
}

/* Hero Section */
.hero {
    padding-top: 100px;
    padding-bottom: var(--spacing-3xl);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><circle cx="30" cy="30" r="2"/></g></svg>');
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.hero-secondary-buttons {
    display: flex;
    gap: var(--spacing-md);
}

/* Kanban Preview */
.kanban-preview {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.kanban-column {
    flex: 1;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    min-height: 300px;
}

.column-header {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.kanban-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

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

.card-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.card-labels {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.label {
    font-size: 0.75rem;
    padding: 2px var(--spacing-xs);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.label.priority-high {
    background: #FEE2E2;
    color: #DC2626;
}

.label.priority-medium {
    background: #FEF3C7;
    color: #D97706;
}

.label.priority-low {
    background: #D1FAE5;
    color: #059669;
}

.label.type-design {
    background: #E0E7FF;
    color: var(--primary-color);
}

.label.type-dev {
    background: #F3E8FF;
    color: #7C3AED;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--surface-color);
}

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

.feature-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    width: 100%;
}

.feature-content {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.feature-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-3xl) 0;
}

/* Billing Toggle */
/* Billing Toggle */
.billing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.billing-toggle-desktop {
    margin: var(--spacing-2xl) auto;
}

.billing-toggle-mobile {
    display: none;
}

@media (max-width: 1024px) {
    .billing-toggle-desktop {
        display: none;
    }

    .billing-toggle-mobile {
        display: flex;
        grid-column: 1 / -1;
        order: 2;
    }

    .pricing-card:first-child {
        order: 1;
    }

    .pricing-card.featured {
        order: 3;
    }

    .pricing-card:last-child {
        order: 4;
    }
}

.billing-option {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

#billing-toggle:checked~#yearly-label,
#billing-toggle:not(:checked)~#monthly-label {
    color: var(--text-primary);
    font-weight: 600;
}

.billing-save {
    display: inline-block;
    background: var(--success-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    margin-left: 0.5rem;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    border-radius: 28px;
    transition: var(--transition-normal);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    border-radius: 50%;
    transition: var(--transition-normal);
}

input:checked+.toggle-slider {
    background-color: var(--primary-color);
}

input:checked+.toggle-slider:before {
    transform: translateX(24px);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    flex-shrink: 0;
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.pricing-annual-note {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    font-weight: 400;
}

.pricing-promo {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--radius-md);
    border: 2px solid #fbbf24;
    text-align: center;
    font-size: 0.9rem;
    color: #92400e;
}

.pricing-promo strong {
    color: #78350f;
    font-weight: 700;
}

.pricing-promo-detail {
    margin-top: var(--spacing-xs);
    font-size: 1rem;
    font-weight: 600;
    color: #b45309;
}

.promo-code-container {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.copy-code-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    background: transparent;
    border: none;
    color: #78350f;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    vertical-align: middle;
}

.copy-code-btn:hover {
    background: rgba(120, 53, 15, 0.1);
    transform: scale(1.1);
}

.copy-code-btn:active {
    transform: scale(0.95);
}

.pricing-features {
    margin-bottom: var(--spacing-xl);
    flex-shrink: 0;
}

.pricing-cta {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    gap: var(--spacing-sm);
}

.pricing-cta .btn {
    min-width: 160px;
    text-align: center;
    justify-content: center;
}

.trial-notice {
    margin: 0;
    padding: 0;
    font-size: 0.875rem;
    color: var(--success-color);
    font-weight: 600;
}

.pricing-feature {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.pricing-feature:last-child {
    border-bottom: none;
}

/* Demo Section */
.demo {
    padding: var(--spacing-3xl) 0;
    background: var(--surface-color);
}

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

.demo-credentials {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--warning-color);
}

.demo-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
}

.demo-cta {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-bottom: var(--spacing-lg);
}

.demo-cta .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
}

.credential-item {
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--surface-color);
    border-radius: var(--radius-sm);
}

.demo-warning {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: #FEF3C7;
    border: 1px solid #F59E0B;
    border-radius: var(--radius-md);
    color: #92400E;
}

.demo-preview {
    display: flex;
    justify-content: center;
}

.demo-screenshot {
    width: 100%;
    max-width: 500px;
}

.demo-placeholder {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
}

.demo-board {
    display: flex;
    gap: var(--spacing-md);
}

.demo-column {
    flex: 1;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    min-height: 200px;
}

.demo-column-header {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--border-color);
    font-size: 0.875rem;
}

.demo-task {
    background: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    box-shadow: var(--shadow-sm);
}

/* Source Code Section */
.source-code {
    padding: var(--spacing-3xl) 0;
}

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

.source-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
}

.source-cta {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.source-cta .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
}

.source-feature h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.source-feature p {
    color: var(--text-secondary);
}

/* Technologies Section */
.technologies {
    padding: var(--spacing-3xl) 0;
    background: var(--surface-color);
}

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

.tech-category-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.tech-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tech-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.tech-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Installation Section */
.installation {
    padding: var(--spacing-3xl) 0;
}

.installation-steps {
    margin-bottom: var(--spacing-2xl);
}

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

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.step-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.code-block {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    display: inline-block;
}

/* Contact Section */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--surface-color);
}

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

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    width: 100%;
}

.contact-method {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
}

.contact-method h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.contact-method p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.contact-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.contact-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

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

.contact-form-container h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.contact-form input,
.contact-form textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form button {
    align-self: flex-start;
    min-width: 140px;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo .logo-image {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
    /* Pour que l'image soit blanche sur fond sombre */
}

.footer-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-md);
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-link {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.footer-link:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.footer-copyright {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.footer-date {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-company-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.875rem;
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    transition: none;
}

.footer-company-link:hover {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
}

.footer-company-link:visited {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
}

.footer-company-link:active {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
}

.footer-logo-image {
    width: 48px;
    height: 48px;
    /* filter: brightness(0) invert(1); */
    /* opacity: 0.6; */
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .demo-content,
    .source-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

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

    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        order: 3;
    }

    .nav-logo {
        order: 1;
        flex: 1;
    }

    .nav-cta {
        display: none !important;
    }

    .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        transition: transform var(--transition-normal);
        z-index: 999;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        visibility: hidden;
        opacity: 0;
        transition: transform var(--transition-normal), opacity var(--transition-normal), visibility 0s var(--transition-normal);
    }

    .nav-links.active {
        transform: translateY(0);
        visibility: visible;
        opacity: 1;
        transition: transform var(--transition-normal), opacity var(--transition-normal);
    }

    .nav-link {
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--border-color);
        font-size: 1.1rem;
    }

    .nav-link:last-of-type {
        border-bottom: none;
    }

    .nav-cta-mobile {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--border-color);
    }

    .nav-cta-mobile .btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md);
        font-size: 0.9rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .hero-secondary-buttons {
        flex-direction: column;
        align-items: center;
    }

    .kanban-preview {
        flex-direction: column;
    }

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

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

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

    .container {
        padding: 0 var(--spacing-md);
    }

    .nav-container {
        padding: 0 var(--spacing-md);
    }

    .hero-container {
        padding: 0 var(--spacing-md);
    }

    .logo-image {
        width: 28px;
        height: 28px;
    }

    .nav-logo .logo-text {
        font-size: 1.25rem;
    }

    /* Améliorer l'espacement sur mobile */
    .hero {
        padding-top: 80px;
        padding-bottom: var(--spacing-2xl);
    }

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

    /* Améliorer les cartes de fonctionnalités sur mobile */
    .feature-card {
        padding: var(--spacing-lg);
    }

    .feature-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .feature-icon {
        font-size: 2rem;
        margin-top: 0;
    }
}

@media (max-width: 480px) {
    .nav-toggle {
        padding: 6px;
    }

    .nav-toggle span {
        width: 24px;
    }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-lg);
    }

    .btn-large {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .demo-credentials {
        padding: var(--spacing-md);
    }

    .step {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .step-number {
        align-self: flex-start;
    }

    .logo-image {
        width: 24px;
        height: 24px;
    }

    .nav-logo .logo-text {
        font-size: 1.125rem;
    }

    .footer-logo .logo-image {
        width: 20px;
        height: 20px;
    }

    .footer-logo .logo-text {
        font-size: 1.25rem;
    }

    .footer-copyright {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    /* Améliorer la navbar sur très petits écrans */
    .nav-container {
        height: 56px;
    }

    .nav-links {
        top: 56px;
    }

    .navbar {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    /* Améliorer les sections de contenu */
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    /* Améliorer la grille de pricing sur mobile */
    .pricing-card {
        padding: var(--spacing-lg);
    }

    .pricing-promo {
        padding: var(--spacing-sm);
        font-size: 0.8rem;
    }

    /* Améliorer les modales sur mobile */
    .modal-content {
        width: 98%;
        margin: var(--spacing-sm);
        max-height: 95vh;
    }

    .modal-body {
        padding: var(--spacing-lg);
    }

    .option-card {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
        padding: var(--spacing-lg);
    }

    .modal-pricing-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    .modal-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .modal-actions .btn {
        width: 100%;
    }

    /* Améliorer le kanban preview sur mobile */
    .kanban-column {
        min-height: 200px;
    }

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

    /* Améliorer l'affichage du toggle de facturation */
    .pricing-grid .billing-toggle {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        text-align: center;
        justify-content: center;
        padding: var(--spacing-lg) 0;
        margin: 0;
    }

    .billing-save {
        display: block;
        margin-left: 0;
        margin-top: var(--spacing-xs);
    }

    /* Améliorer la section contact */
    .contact-method {
        padding: var(--spacing-lg);
    }

    /* Améliorer les démonstrations */
    .demo-credentials {
        margin-bottom: var(--spacing-lg);
    }

    .demo-warning {
        font-size: 0.9rem;
    }

    /* Améliorer les étapes d'installation */
    .step-content {
        width: 100%;
    }

    .code-block {
        font-size: 0.8rem;
        word-break: break-all;
        white-space: pre-wrap;
    }
}

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

    html {
        scroll-behavior: auto;
    }
}

/* Focus styles */
.btn:focus,
.nav-link:focus,
.footer-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .hero {
        background: #000;
    }

    .btn-outline {
        border-width: 2px;
    }
}

/* ========================================
   Stripe Subscription Styles (from style.css)
   ======================================== */

/* Override body styles for centered layout on subscription pages */
body.subscription-page {
    background: #f8fafc;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Subscription container */
.subscription-page .container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: min(480px, calc(100vw - 32px));
    padding: 40px 32px;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
    background: #ffffff;
}

.subscription-page header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: center;
}

.subscription-page h1 {
    color: #0f172a;
    font-size: 2rem;
    margin: 0;
    font-weight: 700;
}

.subscription-page h2 {
    color: #1e293b;
    font-size: 1.3rem;
    margin: 0 0 12px 0;
    font-weight: 600;
}

.subscription-page p {
    color: #334155;
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}

/* Subscription page features */
.subscription-page .features {
    padding: 16px 0;
}

.subscription-page .features ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.subscription-page .features li {
    color: #475569;
    font-size: 1rem;
    padding: 8px 0;
}

.subscription-page .cta {
    display: flex;
    flex-direction: row;
    gap: 12px;
    align-items: center;
    justify-content: center;
    padding-top: 8px;
    flex-wrap: wrap;
}

.subscription-page .primary-btn {
    background: #4f46e5;
    color: white;
    border: none;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-block;
    text-align: center;
}

.subscription-page .primary-btn:hover {
    background: #4338ca;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.subscription-page .primary-btn:active {
    transform: translateY(0);
}

.subscription-page .price-info {
    color: #64748b;
    font-size: 0.9rem;
}

/* Checkout page styles */
#checkout {
    width: 100%;
}

/* Success page styles */
.success-header {
    text-align: center;
    padding-bottom: 8px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: #10b981;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 20px;
    font-weight: bold;
}

.success-message {
    font-size: 1rem;
    color: #475569;
    margin-top: 12px;
}

.next-steps {
    background: #f1f5f9;
    padding: 20px;
    border-radius: 8px;
}

.next-steps ul {
    list-style: none;
    padding: 0;
    margin: 8px 0 0 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.next-steps li {
    color: #475569;
    padding-left: 24px;
    position: relative;
}

.next-steps li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #4f46e5;
    font-weight: bold;
}

.support-info {
    text-align: center;
    padding: 12px 0;
}

.support-info a {
    color: #4f46e5;
    text-decoration: none;
    font-weight: 500;
}

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

.loading {
    text-align: center;
    padding: 40px 20px;
    color: #64748b;
    font-size: 1.1rem;
}

.hidden {
    display: none;
}

/* Pricing period */
.pricing-period {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
}

/* AI Badge */
.ai-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    margin-left: 4px;
    vertical-align: middle;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    cursor: pointer;
    padding: 8px;
    color: white;
    transition: all 0.2s ease;
    z-index: 10;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) rotate(90deg);
}

.modal-header {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 16px 30px;
    text-align: center;
    color: white;
    border-radius: 12px 12px 0 0;
}

.modal-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: white;
}

.modal-body {
    padding: 40px;
}

.option-card {
    display: flex;
    align-items: center;
    gap: 20px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.option-card:hover {
    border-color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
    transform: translateY(-2px);
}

.option-card:last-child {
    margin-bottom: 0;
}

.option-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.option-content {
    flex: 1;
}

.option-content h3 {
    margin: 0 0 6px 0;
    color: #333;
    font-size: 16px;
    font-weight: 600;
}

.option-content p {
    margin: 0;
    color: #666;
    font-size: 13px;
    line-height: 1.4;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.captcha-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.captcha-question {
    font-weight: 600;
    color: #374151;
}

.btn-captcha-refresh {
    padding: 8px 12px;
    font-size: 14px;
}

.captcha-row input {
    flex: 1;
    min-width: 110px;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.btn-back {
    background: #e9ecef !important;
    color: #495057 !important;
    margin-top: 10px;
}

.btn-back:hover {
    background: #dee2e6 !important;
    color: #343a40 !important;
}

.message {
    padding: 15px;
    border-radius: 6px;
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.5;
    display: none;
}

.message.active {
    display: block;
}

.message.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.message.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.message.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

/* Modal divider and not customer section */
.modal-divider {
    height: 1px;
    background: #e9ecef;
    margin: 30px 0 25px 0;
}

.not-customer-section {
    text-align: center;
}

.not-customer-text {
    margin: 0 0 20px 0;
    color: #6B7280;
    font-size: 15px;
    font-weight: 500;
}

.modal-pricing-row {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 20px;
    width: 100%;
}

.modal-pricing-row>* {
    min-width: 0;
}

.modal-pricing-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
    justify-content: center;
}

.modal-price-display {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
}

.modal-price-subtitle {
    font-size: 13px;
    color: #6B7280;
}

.billing-toggle-modal {
    display: flex;
    align-items: center;
    gap: 15px;
}

.billing-option-modal {
    font-size: 14px;
    font-weight: 500;
    color: #6B7280;
    transition: color 0.3s ease;
}

.billing-option-modal.active {
    color: #667eea;
}

.billing-save-modal {
    display: inline-block;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
    margin-left: 6px;
}

.toggle-switch-modal {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.toggle-switch-modal input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider-modal {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #CBD5E1;
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider-modal:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch-modal input:checked+.toggle-slider-modal {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.toggle-switch-modal input:checked+.toggle-slider-modal:before {
    transform: translateX(24px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Board Name Modal Styles */
.validation-message {
    margin-top: 8px;
    font-size: 13px;
    display: none;
}

.validation-message.active {
    display: block;
}

.validation-message.success {
    color: #10B981;
}

.validation-message.error {
    color: #EF4444;
}

.name-requirements {
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    padding: 16px;
    margin: 20px 0;
}

.modal-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
}

.modal-actions .btn {
    min-width: 160px;
    height: 48px;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: 0 !important;
    box-sizing: border-box;
    vertical-align: middle;
}

.modal-actions .btn-back {
    margin: 0 !important;
    background: #e9ecef !important;
    color: #495057 !important;
}

.modal-actions .btn-back:hover {
    background: #dee2e6 !important;
    color: #343a40 !important;
}

.modal-actions .btn:disabled {
    background: #D1D5DB !important;
    color: #9CA3AF !important;
    cursor: not-allowed;
    transform: none !important;
}

.modal-actions .btn:disabled:hover {
    background: #D1D5DB !important;
    color: #9CA3AF !important;
    transform: none !important;
    box-shadow: none !important;
}

/* Input validation states */
#boardNameInput.valid {
    border-color: #10B981;
}

#boardNameInput.invalid {
    border-color: #EF4444;
}

#boardNameInput:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Loading state */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Responsive modal */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }

    .modal-header {
        padding: 30px 20px;
    }

    .modal-body {
        padding: 30px 20px;
    }

    .option-card {
        padding: 20px;
    }
}