/* ==========================================================================
   T8 Suite - Site Vitrine
   Style corporate sobre - Couleur principale #111827
   ========================================================================== */

/* --------------------------------------------------------------------------
   Variables & Reset
   -------------------------------------------------------------------------- */
:root {
    --color-primary: #111827;
    --color-primary-light: #1f2937;
    --color-primary-dark: #0a0f1a;
    --color-accent: #3b82f6;
    --color-accent-light: #60a5fa;
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-orange: #f97316;
    
    --font-sans: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-primary);
    background-color: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

.text-muted {
    color: var(--color-gray-500);
}

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

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-alt {
    background-color: var(--color-gray-50);
}

/* --------------------------------------------------------------------------
   Header / Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    transition: box-shadow var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo svg {
    height: 32px;
    width: auto;
    color: var(--color-primary);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
}

.logo-text span {
    color: var(--color-orange);
    font-style: italic;
    font-weight: 400;
}

/* Navigation principale */
.nav-main {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-accent);
}

/* Dropdown outils */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

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

.nav-dropdown-toggle svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-toggle svg {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 280px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
    padding: 0.75rem;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.nav-dropdown-item:hover {
    background-color: var(--color-gray-50);
}

.nav-dropdown-item img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.nav-dropdown-item-content {
    flex: 1;
}

.nav-dropdown-item-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-primary);
}

.nav-dropdown-item-desc {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-top: 0.125rem;
}

.nav-dropdown-item .badge-soon {
    font-size: 0.6875rem;
    padding: 0.125rem 0.5rem;
    background-color: var(--color-gray-100);
    color: var(--color-gray-500);
    border-radius: 9999px;
    font-weight: 500;
}

/* Bouton CTA header */
.btn-header {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-header:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-1px);
}

/* Menu mobile */
.nav-mobile-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--color-primary);
}

.nav-mobile-toggle svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 968px) {
    .nav-main {
        display: none;
    }
    
    .nav-mobile-toggle {
        display: block;
    }
    
    .nav-main.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-white);
        padding: 1rem 1.5rem 2rem;
        gap: 0.5rem;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        z-index: 1000;
    }
    
    .nav-main.open .nav-link {
        padding: 0.875rem 0;
        font-size: 1.0625rem;
        border-bottom: 1px solid var(--color-gray-100);
    }
    
    .nav-main.open .btn-header {
        margin-top: 1rem;
        text-align: center;
        padding: 1rem;
    }
    
    .nav-dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        opacity: 1;
        visibility: visible;
        min-width: 100%;
        padding: 0.5rem 0 0 0;
        max-height: 50vh;
        overflow-y: auto;
        background-color: var(--color-gray-50);
        border-radius: var(--radius-md);
        margin-top: 0.5rem;
    }
    
    .nav-dropdown-item {
        padding: 0.75rem 1rem;
        border-radius: 0;
        border-bottom: 1px solid var(--color-gray-200);
    }
    
    .nav-dropdown-item:last-child {
        border-bottom: none;
    }
    
    .nav-dropdown-item img {
        width: 28px;
        height: 28px;
    }
    
    .nav-dropdown-item-title {
        font-size: 0.9375rem;
    }
    
    .nav-dropdown-item-desc {
        font-size: 0.75rem;
    }
    
    .nav-dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        padding: 0.875rem 0;
        font-size: 1.0625rem;
        border-bottom: 1px solid var(--color-gray-100);
    }
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    padding-top: 72px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -25%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.hero-title span {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (max-width: 968px) {
    .hero-visual {
        display: block;
        width: 100%;
        margin-top: 2.5rem;
    }
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 400px;
}

.hero-tool-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.hero-tool-card img {
    width: 40px;
    height: 40px;
    margin-bottom: 0.5rem;
}

.hero-tool-card span {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
}

.hero-tool-card-soon {
    position: relative;
    opacity: 0.7;
}

.hero-tool-badge-soon {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background-color: var(--color-cta);
    color: var(--color-white);
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

@media (max-width: 968px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-grid {
        width: 100%;
        max-width: 100%;
        margin: 0;
        gap: 1rem;
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hero-tool-card {
        padding: 1.25rem 0.75rem;
    }
    
    .hero-tool-card img {
        width: 48px;
        height: 48px;
        margin-bottom: 0.5rem;
    }
    
    .hero-tool-card span {
        font-size: 0.9375rem;
    }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-gray-200);
}

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

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

.btn-accent:hover {
    background-color: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Features Section (page accueil)
   -------------------------------------------------------------------------- */
.features-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 4rem;
}

.features-header h2 {
    margin-bottom: 1rem;
}

.features-header p {
    font-size: 1.125rem;
    color: var(--color-gray-600);
}

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

@media (max-width: 968px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    padding: 2rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-gray-300);
}

.feature-card-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: 1rem;
}

.feature-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: gap var(--transition-fast);
}

.feature-card-link:hover {
    gap: 0.625rem;
}

.feature-card-link svg {
    width: 16px;
    height: 16px;
}

.feature-card.coming-soon {
    opacity: 0.7;
}

.feature-card .badge-soon {
    display: inline-block;
    font-size: 0.6875rem;
    padding: 0.25rem 0.625rem;
    background-color: var(--color-gray-100);
    color: var(--color-gray-500);
    border-radius: 9999px;
    font-weight: 600;
    margin-left: 0.5rem;
    vertical-align: middle;
}

/* --------------------------------------------------------------------------
   Benefits Section
   -------------------------------------------------------------------------- */
.benefits {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.benefits-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    text-align: center;
}

@media (max-width: 968px) {
    .benefits-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .benefits-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.benefit-item {
    padding: 1rem;
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.benefit-title {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.benefit-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-300);
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Tool Page - Hero
   -------------------------------------------------------------------------- */
.tool-hero {
    padding-top: 72px;
    padding-bottom: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    min-height: 50vh;
    display: flex;
    align-items: center;
}

.tool-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 0;
}

.tool-hero-content {
    max-width: 520px;
}

.tool-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tool-hero-badge img {
    width: 48px;
    height: 48px;
}

.tool-hero-badge span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-orange);
    font-style: italic;
}

.tool-hero h1 {
    font-size: 2.75rem;
    color: var(--color-white);
    margin-bottom: 1.25rem;
}

.tool-hero-desc {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.tool-hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tool-hero-visual img {
    max-width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.tool-hero.coming-soon-hero {
    min-height: 40vh;
}

.tool-hero .badge-soon-large {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

@media (max-width: 968px) {
    .tool-hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .tool-hero-content {
        max-width: 100%;
    }
    
    .tool-hero h1 {
        font-size: 2rem;
    }
    
    .tool-hero-visual {
        display: none;
    }
}

/* --------------------------------------------------------------------------
   Tool Page - Features
   -------------------------------------------------------------------------- */
.tool-features {
    padding: 5rem 0;
}

.tool-features-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 4rem;
}

.tool-features-header h2 {
    margin-bottom: 1rem;
}

.tool-features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

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

.tool-feature-item {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.tool-feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
}

.tool-feature-content h3 {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.tool-feature-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Tool Page - Use Cases
   -------------------------------------------------------------------------- */
.tool-usecases {
    padding: 5rem 0;
    background-color: var(--color-gray-50);
}

.tool-usecases-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3rem;
}

.tool-usecases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 968px) {
    .tool-usecases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .tool-usecases-grid {
        grid-template-columns: 1fr;
    }
}

.usecase-card {
    padding: 1.5rem;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.usecase-card-icon {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.usecase-card h3 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.usecase-card p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
    padding: 5rem 0;
    text-align: center;
}

.cta-section h2 {
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: 2rem;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 4rem 0 2rem;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

@media (max-width: 968px) {
    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand .logo svg {
    color: var(--color-white);
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-brand p {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    margin-bottom: 0;
}

.footer-nav h4 {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
}

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

.footer-nav li {
    margin-bottom: 0.75rem;
}

.footer-nav a {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-nav a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-primary-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: 0;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

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

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

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* --------------------------------------------------------------------------
   Page Hero (pages intérieures)
   -------------------------------------------------------------------------- */
.page-hero {
    padding-top: 72px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding-bottom: 4rem;
}

.page-hero-content {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    padding-top: 4rem;
}

.page-hero h1 {
    color: var(--color-white);
    font-size: 2.75rem;
    margin-bottom: 1rem;
}

.page-hero-desc {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 2rem;
    }
}

/* --------------------------------------------------------------------------
   Contact Page
   -------------------------------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

@media (max-width: 968px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.contact-form-wrapper h2 {
    margin-bottom: 0.5rem;
}

.contact-form-wrapper > p {
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background-color: var(--color-white);
    color: var(--color-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 0.75rem;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    cursor: pointer;
}

.form-checkbox label {
    font-weight: 400;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    cursor: pointer;
}

.form-checkbox label a {
    color: var(--color-accent);
    text-decoration: underline;
}

.btn-block {
    width: 100%;
}

.form-message {
    padding: 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    margin-top: 0.5rem;
}

.form-message-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.form-message-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

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

.contact-info-card {
    background-color: var(--color-gray-50);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
}

.contact-info-card h3 {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    margin-bottom: 1.25rem;
}

.contact-info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

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

.contact-info-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-info-item strong {
    display: block;
    font-size: 0.875rem;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.contact-info-item p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: 0;
}

.contact-info-item a {
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   About Page
   -------------------------------------------------------------------------- */
.about-story {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 968px) {
    .about-story {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.about-story-content h2 {
    margin-bottom: 1.5rem;
}

.about-story-content p {
    font-size: 1.0625rem;
    color: var(--color-gray-600);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.about-stat {
    background-color: var(--color-gray-50);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
}

.about-stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.about-stat-label {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

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

.about-mission h2 {
    margin-bottom: 1rem;
}

.about-mission-lead {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    max-width: 720px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: left;
}

@media (max-width: 968px) {
    .about-values {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .about-values {
        grid-template-columns: 1fr;
    }
}

.about-value {
    padding: 1.5rem;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
}

.about-value-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-value h3 {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    margin-bottom: 0.5rem;
}

.about-value p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: 0;
}

.about-approach h2 {
    text-align: center;
    margin-bottom: 2.5rem;
}

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

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

.about-approach-item {
    padding: 1.5rem;
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.about-approach-item h3 {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    margin-bottom: 0.75rem;
}

.about-approach-item p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Engagements Page
   -------------------------------------------------------------------------- */
.engagement-block {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .engagement-block {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.engagement-icon {
    font-size: 3rem;
    line-height: 1;
}

@media (max-width: 768px) {
    .engagement-icon {
        font-size: 2.5rem;
    }
}

.engagement-content h2 {
    margin-bottom: 0.75rem;
}

.engagement-lead {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.engagement-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

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

.engagement-detail {
    padding: 1.25rem;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
}

.section-alt .engagement-detail {
    background-color: var(--color-gray-50);
    border-color: transparent;
}

.engagement-detail h3 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.engagement-detail p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: 0;
    line-height: 1.6;
}

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

.engagement-summary h2 {
    margin-bottom: 2rem;
}

.engagement-summary-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.engagement-summary-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background-color: var(--color-gray-50);
    border-radius: 9999px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-primary);
}

.engagement-summary-icon {
    font-size: 1.125rem;
}

/* --------------------------------------------------------------------------
   Legal Pages (Mentions légales, Confidentialité)
   -------------------------------------------------------------------------- */
.page-hero-small {
    padding-bottom: 2.5rem;
}

.page-hero-small .page-hero-content {
    padding-top: 3rem;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-intro {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.legal-section {
    margin-bottom: 2.5rem;
}

.legal-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.legal-section h3 {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.legal-section p {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.legal-section a {
    color: var(--color-accent);
    text-decoration: underline;
}

.legal-list {
    list-style: none;
    margin: 1rem 0;
}

.legal-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

.legal-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.legal-update {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-200);
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

/* --------------------------------------------------------------------------
   CTA Button (Souscrire)
   -------------------------------------------------------------------------- */
.btn-cta-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, #2563eb 100%);
    color: var(--color-white) !important;
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
    transition: all var(--transition-fast);
}

.btn-cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-cta-large {
    font-size: 1.125rem;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-lg);
}

/* CTA Banner fixe en bas (mobile) */
.cta-banner-fixed {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 0.875rem 1rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 999;
    text-align: center;
    border-top: 1px solid var(--color-gray-200);
}

@media (max-width: 768px) {
    .cta-banner-fixed {
        display: block;
    }
    
    .cta-banner-fixed .btn-cta-primary {
        width: 100%;
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Ajouter padding en bas du body pour la bannière fixe */
    body {
        padding-bottom: 70px;
    }
    
    /* Ajuster le footer pour qu'il ne soit pas caché */
    .footer {
        padding-bottom: 3rem;
    }
}

/* ==========================================================================
   Mobile Enhancements
   ========================================================================== */

@media (max-width: 768px) {
    /* Typography mobile */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.625rem; }
    h3 { font-size: 1.25rem; }
    
    /* Containers */
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    /* Hero mobile */
    .hero {
        min-height: auto;
        padding-top: 72px;
        padding-bottom: 2rem;
    }
    
    .hero-content {
        padding-top: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.0625rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
        margin-bottom: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Masquer le bouton Souscrire du hero (doublon avec bannière fixe) */
    .hero-actions .btn-cta-primary {
        display: none;
    }
    
    /* Buttons mobile */
    .btn {
        padding: 0.875rem 1.25rem;
        font-size: 1rem;
        min-height: 48px; /* Touch-friendly */
    }
    
    .btn-cta-large {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Benefits section */
    .benefits {
        padding: 2.5rem 0;
    }
    
    .benefit-item {
        padding: 0.75rem;
    }
    
    .benefit-icon {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .benefit-title {
        font-size: 1rem;
    }
    
    .benefit-desc {
        font-size: 0.875rem;
    }
    
    /* Features grid mobile */
    .features-header {
        margin-bottom: 2rem;
    }
    
    .features-header p {
        font-size: 1rem;
    }
    
    .feature-card {
        padding: 1.25rem;
    }
    
    .feature-card-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 1rem;
    }
    
    .feature-card h3 {
        font-size: 1.0625rem;
    }
    
    .feature-card p {
        font-size: 0.9375rem;
    }
    
    /* Tool hero mobile */
    .tool-hero {
        min-height: auto;
    }
    
    .tool-hero-inner {
        padding: 2.5rem 0;
    }
    
    .tool-hero h1 {
        font-size: 1.75rem;
    }
    
    .tool-hero-desc {
        font-size: 1rem;
    }
    
    .tool-hero-badge img {
        width: 40px;
        height: 40px;
    }
    
    /* Tool features mobile */
    .tool-features {
        padding: 2.5rem 0;
    }
    
    .tool-features-header {
        margin-bottom: 2rem;
    }
    
    .tool-feature-item {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem;
        gap: 1rem;
    }
    
    .tool-feature-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
        margin: 0 auto;
    }
    
    /* Use cases mobile */
    .tool-usecases {
        padding: 2.5rem 0;
    }
    
    .usecase-card {
        padding: 1.25rem;
    }
    
    /* CTA section mobile */
    .cta-section h2 {
        font-size: 1.5rem;
    }
    
    .cta-section p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    /* Page hero mobile */
    .page-hero {
        padding-bottom: 2.5rem;
    }
    
    .page-hero-content {
        padding-top: 2rem;
    }
    
    .page-hero h1 {
        font-size: 1.875rem;
    }
    
    .page-hero-desc {
        font-size: 1rem;
    }
    
    /* Contact form mobile */
    .contact-form-wrapper h2 {
        font-size: 1.5rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 1rem;
        font-size: 1rem;
        min-height: 48px;
    }
    
    .form-group label {
        font-size: 0.9375rem;
    }
    
    /* About page mobile */
    .about-stat-number {
        font-size: 2rem;
    }
    
    .about-mission-lead {
        font-size: 1.0625rem;
    }
    
    .about-value {
        padding: 1.25rem;
        text-align: center;
    }
    
    .about-value-icon {
        font-size: 1.75rem;
    }
    
    .about-approach-item {
        padding: 1.25rem;
    }
    
    /* Engagements mobile */
    .engagement-icon {
        font-size: 2.25rem;
        text-align: center;
    }
    
    .engagement-lead {
        font-size: 1rem;
    }
    
    .engagement-detail {
        padding: 1rem;
    }
    
    .engagement-summary-item {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }
    
    /* Legal pages mobile */
    .legal-content {
        padding: 0;
    }
    
    .legal-intro {
        font-size: 1rem;
    }
    
    .legal-section h2 {
        font-size: 1.25rem;
    }
    
    .legal-section p,
    .legal-list li {
        font-size: 0.9375rem;
    }
    
    /* Footer mobile */
    .footer {
        padding: 2.5rem 0 1.5rem;
    }
    
    .footer-inner {
        gap: 2rem;
    }
    
    .footer-brand p {
        font-size: 0.875rem;
    }
    
    .footer-nav h4 {
        font-size: 0.8125rem;
        margin-bottom: 1rem;
    }
    
    .footer-nav a {
        font-size: 0.875rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-links {
        justify-content: center;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.875rem;
    }
    
    .hero-tool-card {
        padding: 1.25rem 1rem;
    }
    
    .hero-tool-card img {
        width: 52px;
        height: 52px;
        margin-bottom: 0.5rem;
    }
    
    .hero-tool-card span {
        font-size: 0.9375rem;
    }
    
    .benefits-inner {
        gap: 1rem;
    }
    
    .tool-hero h1 {
        font-size: 1.5rem;
    }
    
    .engagement-summary-grid {
        flex-direction: column;
        align-items: stretch;
    }
    
    .engagement-summary-item {
        justify-content: center;
    }
}

/* Touch device improvements */
@media (hover: none) {
    .hero-tool-card:hover,
    .feature-card:hover,
    .nav-dropdown-item:hover {
        transform: none;
    }
    
    .btn:hover {
        transform: none;
    }
    
    /* Larger tap targets */
    .nav-dropdown-item {
        padding: 1rem;
    }
    
    .footer-nav li {
        margin-bottom: 1rem;
    }
}