/* ============================================
   LUMINIS - Premium Facility Management
   Design System v2 - Style Derichebourg
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #1B3A5F;
    --color-primary-dark: #122840;
    --color-primary-light: #2A5080;
    --color-accent: #C9A227;
    --color-accent-dark: #A68820;
    --color-accent-light: #E0C060;

    --color-text: #1a1a1a;
    --color-text-light: #555555;
    --color-text-muted: #888888;

    --color-white: #ffffff;
    --color-off-white: #f8f9fa;
    --color-light: #f0f2f5;
    --color-border: #e0e0e0;

    /* Typography - Classique et Moderne */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.75rem;
    --text-5xl: 3.5rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --container-max: 1280px;
    --header-height: 70px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   Typography - Classique et Moderne
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-primary);
}

h1 {
    font-size: var(--text-5xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--text-3xl);
    font-weight: 600;
}

h3 {
    font-size: var(--text-xl);
    font-weight: 600;
}

h4 {
    font-size: var(--text-lg);
    font-weight: 600;
}

@media (max-width: 768px) {
    h1 { font-size: var(--text-3xl); }
    h2 { font-size: var(--text-2xl); }
}

/* ============================================
   Layout
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section {
    padding: var(--space-4xl) 0;
}

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

.section-gray {
    background-color: var(--color-off-white);
}

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

.section-dark h2,
.section-dark h3 {
    color: var(--color-white);
}

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

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

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    margin: var(--space-lg) auto 0;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 500;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

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

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

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

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

.btn-outline-white {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    border-color: var(--color-white);
}

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

/* Bouton secondaire pour sections sombres */
.btn-secondary-light {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.btn-secondary-light:hover {
    background-color: var(--color-off-white);
    border-color: var(--color-off-white);
}

.btn-link {
    color: var(--color-primary);
    padding: 0;
    font-weight: 500;
}

.btn-link:hover {
    color: var(--color-accent);
}

.btn-link::after {
    content: ' →';
    transition: transform var(--transition-fast);
}

/* ============================================
   Header - Style Derichebourg
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-primary);
    height: var(--header-height);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo img {
    height: 36px;
    width: auto;
}

.logo-text {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.05em;
}

/* Navigation */
.nav {
    display: none;
}

@media (min-width: 1024px) {
    .nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    padding: var(--space-lg) var(--space-lg);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Dropdown */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown a {
    display: block;
    padding: 12px var(--space-lg);
    font-size: var(--text-sm);
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.dropdown a:last-child {
    border-bottom: none;
}

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

/* Header CTA */
.header-cta {
    display: none;
}

@media (min-width: 1024px) {
    .header-cta {
        display: block;
    }
}

.header-cta .btn {
    font-size: var(--text-xs);
    padding: 10px 20px;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
}

/* ============================================
   Hero - Style Derichebourg
   ============================================ */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background-color: var(--color-primary);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    padding: var(--space-4xl) 0;
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: var(--space-xl);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--text-3xl);
    }
}

.hero-text {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ============================================
   Solutions Carousel - Style Derichebourg
   ============================================ */
.solutions-section {
    padding: var(--space-4xl) 0;
    background-color: #f4f4f4;
    position: relative;
}

.solutions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2xl);
    padding: 0 var(--space-xl);
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
}

.solutions-header h2 {
    font-size: var(--text-2xl);
}

.solutions-header h2::after {
    display: none;
}

.solutions-nav {
    display: flex;
    gap: var(--space-sm);
}

.solutions-nav-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-white);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

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

.solutions-nav-btn svg {
    width: 20px;
    height: 20px;
}

.solutions-carousel-wrapper {
    position: relative;
    overflow: hidden;
}

.solutions-carousel {
    display: flex;
    gap: var(--space-lg);
    padding: 0 var(--space-xl);
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.solutions-carousel::-webkit-scrollbar {
    display: none;
}

.solution-card {
    flex: 0 0 280px;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.solution-card-image {
    height: 160px;
    overflow: hidden;
}

.solution-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.solution-card:hover .solution-card-image img {
    transform: scale(1.05);
}

.solution-card-content {
    padding: var(--space-lg);
}

.solution-card-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.solution-card-link {
    font-size: var(--text-sm);
    color: var(--color-accent);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.solution-card-link:hover {
    color: var(--color-accent-dark);
}

/* Fade edges for carousel */
.solutions-carousel-wrapper::before,
.solutions-carousel-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 60px;
    z-index: 1;
    pointer-events: none;
}

.solutions-carousel-wrapper::before {
    left: 0;
    background: linear-gradient(90deg, var(--color-white), transparent);
}

.solutions-carousel-wrapper::after {
    right: 0;
    background: linear-gradient(-90deg, var(--color-white), transparent);
}

/* ============================================
   Features Carousel - Style Derichebourg
   ============================================ */
.features-carousel-section {
    padding: var(--space-4xl) 0;
    background-color: var(--color-off-white);
    position: relative;
}

.features-carousel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2xl);
    padding: 0 var(--space-xl);
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
}

.features-carousel-header h2 {
    font-size: var(--text-2xl);
    color: var(--color-primary);
}

.features-carousel-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    margin-top: var(--space-md);
}

.features-nav {
    display: flex;
    gap: var(--space-sm);
}

.features-nav-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-white);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid var(--color-border);
}

.features-nav-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.features-nav-btn svg {
    width: 20px;
    height: 20px;
}

.features-carousel-wrapper {
    position: relative;
    overflow: hidden;
}

.features-carousel {
    display: flex;
    gap: var(--space-lg);
    padding: 0 var(--space-xl);
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.features-carousel::-webkit-scrollbar {
    display: none;
}

.feature-card-carousel {
    flex: 0 0 300px;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.feature-card-carousel:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-card-carousel h3 {
    font-size: var(--text-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.feature-card-carousel p {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.7;
    margin: 0;
}

/* Fade edges for features carousel */
.features-carousel-wrapper::before,
.features-carousel-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 60px;
    z-index: 1;
    pointer-events: none;
}

.features-carousel-wrapper::before {
    left: 0;
    background: linear-gradient(90deg, var(--color-off-white), transparent);
}

.features-carousel-wrapper::after {
    right: 0;
    background: linear-gradient(-90deg, var(--color-off-white), transparent);
}

/* ============================================
   Sectors Grid
   ============================================ */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
    background-color: var(--color-border);
}

@media (min-width: 768px) {
    .sectors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .sectors-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

.sector-card {
    background-color: var(--color-white);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.sector-card:hover {
    background-color: var(--color-primary);
}

.sector-card:hover .sector-title {
    color: var(--color-white);
}

.sector-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
}

.sector-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sector-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    transition: color var(--transition-base);
}

/* ============================================
   Key Figures - Style Derichebourg
   ============================================ */
.figures {
    background-color: #f4f4f4;
    padding: var(--space-3xl) 0;
}

.figures-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.figures-header h2 {
    font-size: var(--text-xl);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
}

.figures-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .figures-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

.figure-number {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.figure-suffix {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.figure-label {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    margin-top: var(--space-sm);
}

/* ============================================
   News Section - Style Derichebourg
   ============================================ */
.news-section {
    background-color: var(--color-primary);
    padding: var(--space-4xl) 0;
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.news-header h2 {
    color: var(--color-white);
    font-size: var(--text-2xl);
}

.news-header h2::after {
    display: none;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.news-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-base);
}

.news-card:hover {
    transform: translateY(-5px);
}

.news-card-image {
    height: 180px;
    overflow: hidden;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-card-content {
    padding: var(--space-lg);
}

.news-card-date {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.news-card-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.news-card-excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   References / Partners
   ============================================ */
.references {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.references-title {
    text-align: center;
    font-size: var(--text-lg);
    color: var(--color-text-light);
    margin-bottom: var(--space-2xl);
}

.references-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-2xl);
}

.reference-logo {
    height: 40px;
    opacity: 0.6;
    transition: opacity var(--transition-base);
    filter: grayscale(100%);
}

.reference-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.reference-logo img {
    height: 100%;
    width: auto;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.footer-logo img {
    height: 32px;
}

.footer-logo span {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-white);
}

.footer-tagline {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

.footer-links h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom .admin-link {
    color: rgba(255, 255, 255, 0.15);
    text-decoration: none;
    margin-left: 5px;
    font-size: 10px;
}

.footer-bottom .admin-link:hover {
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   Page Header
   ============================================ */
.page-header {
    padding-top: calc(var(--header-height) + var(--space-4xl));
    padding-bottom: var(--space-3xl);
    background-color: var(--color-primary);
    color: var(--color-white);
}

.page-header h1 {
    color: var(--color-white);
    font-size: var(--text-4xl);
    margin-bottom: var(--space-md);
}

.page-header-subtitle {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
}

.breadcrumb {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

.breadcrumb .separator {
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   Content Page Styles
   ============================================ */
.content-section {
    padding: var(--space-4xl) 0;
}

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

@media (min-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr 1fr;
    }

    .content-grid.reverse {
        direction: rtl;
    }

    .content-grid.reverse > * {
        direction: ltr;
    }
}

.content-text h2 {
    margin-bottom: var(--space-lg);
}

.content-text p {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.content-image {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.content-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px var(--space-md);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

/* Form Notifications */
.form-notification {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    animation: slideIn 0.3s ease;
}

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

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

.form-notification::before {
    font-size: var(--text-lg);
}

.form-notification.success::before {
    content: '\2713';
}

.form-notification.error::before {
    content: '\2717';
}

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

/* Form Button States */
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   Certifications
   ============================================ */
.certifications-bar {
    background-color: var(--color-light);
    padding: var(--space-xl) 0;
}

.certifications-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2xl);
}

.certification-item {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-light);
}

/* Certification Labels - Style Officiel */
.certification-labels {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-2xl) 0;
}

.certification-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-lg) var(--space-xl);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    min-width: 140px;
    transition: all var(--transition-base);
    position: relative;
}

.certification-label::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.certification-label:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.certification-label-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.certification-label-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-primary);
}

.certification-label-name {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
}

.certification-label-desc {
    font-size: var(--text-xs);
    color: var(--color-text-light);
    text-align: center;
    margin-top: var(--space-xs);
}

/* Certification Grid for RSE page */
.certifications-official-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.certification-official-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.certification-official-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.certification-official-badge {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    font-size: var(--text-sm);
    box-shadow: 0 4px 15px rgba(27, 58, 95, 0.3);
}

.certification-official-card h4 {
    font-size: var(--text-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.certification-official-card p {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   Utilities
   ============================================ */
.text-center { text-align: center; }
.text-white { color: var(--color-white); }

.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }

/* Mobile Nav */
.nav.mobile-open {
    display: block;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-primary);
    padding: var(--space-xl);
    overflow-y: auto;
}

.nav.mobile-open .nav-list {
    flex-direction: column;
    gap: 0;
}

.nav.mobile-open .nav-link {
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav.mobile-open .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: transparent;
    padding-left: var(--space-lg);
}

.nav.mobile-open .dropdown a {
    color: rgba(255, 255, 255, 0.7);
    border-bottom: none;
    padding: var(--space-sm) 0;
}

/* ============================================
   Contact Widget - Floating Button
   ============================================ */
.contact-widget {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 1000;
}

.widget-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(201, 162, 39, 0.4);
    transition: all var(--transition-base);
    border: none;
}

.widget-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(201, 162, 39, 0.5);
}

.widget-toggle svg {
    width: 28px;
    height: 28px;
}

.widget-toggle-icon-close {
    display: none;
}

.contact-widget.active .widget-toggle-icon-open {
    display: none;
}

.contact-widget.active .widget-toggle-icon-close {
    display: block;
}

.widget-panel {
    position: absolute;
    bottom: 75px;
    right: 0;
    width: 300px;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    overflow: hidden;
}

.contact-widget.active .widget-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.widget-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-light);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

.widget-close:hover {
    background-color: var(--color-border);
}

.widget-close svg {
    width: 16px;
    height: 16px;
}

.widget-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-primary);
    padding: var(--space-lg);
    padding-right: var(--space-3xl);
    border-bottom: 1px solid var(--color-border);
    margin: 0;
}

.widget-options {
    padding: var(--space-md);
}

.widget-option {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-decoration: none;
}

.widget-option:hover {
    background-color: var(--color-light);
}

.widget-option-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.widget-option-icon svg {
    width: 20px;
    height: 20px;
}

.widget-option-text {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary);
}

@media (max-width: 480px) {
    .contact-widget {
        bottom: var(--space-md);
        right: var(--space-md);
    }

    .widget-panel {
        width: calc(100vw - var(--space-xl) * 2);
        right: calc(-50vw + 50% + var(--space-md));
    }
}