/* ===========================
   SP SECURITY - Palette Chaude Sans Noir
   =========================== */

:root {
    /* Couleurs principales - Palette SP SECURITY (bleu uniquement) */
    --primary-blue: #0a5f7d;
    --dark-blue: #064158;
    --primary-cyan: #1a8aaa;
    --accent-cyan: #2ba3c7;
    --light-cyan: #5bc0de;
    
    /* Couleurs neutres - PAS DE NOIR */
    --white: #ffffff;
    --cream: #f8f9fa;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --warm-gray: #6c757d;
    --dark-gray: #343a40;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Ombres chaudes */
    --shadow-sm: 0 2px 4px rgba(26, 43, 77, 0.08);
    --shadow-md: 0 4px 12px rgba(26, 43, 77, 0.12);
    --shadow-lg: 0 8px 24px rgba(26, 43, 77, 0.15);
    --shadow-xl: 0 12px 32px rgba(26, 43, 77, 0.18);
}

/* ===========================
   Reset et Base
   =========================== */

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

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--cream);
    overflow-x: hidden;
}

/* ===========================
   Navigation
   =========================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--cream) 100%);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition-normal);
    border-bottom: 3px solid var(--primary-cyan);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
    min-height: 100px;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-shrink: 0;
    padding: 0.8rem 2rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.logo-container:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.logo {
    height: 180px;
    width: auto;
    transition: var(--transition-normal);
    display: block;
}

.logo:hover {
    transform: scale(1.05);
}

.company-name {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    line-height: 1.1;
    justify-content: center;
}

.company-title {
    font-size: 2.2rem;
    color: var(--dark-blue);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(6, 65, 88, 0.1);
    line-height: 1;
}

.company-tagline {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.2rem;
}

.tagline-word {
    font-size: 0.8rem;
    color: var(--primary-cyan);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.tagline-separator {
    color: var(--accent-cyan);
    font-size: 0.6rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    flex-direction: row;
    gap: 1.2rem;
    align-items: center;
    background: var(--white);
    padding: 0.8rem 1.2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.nav-column {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 160px;
    padding: 0.5rem;
}

.nav-column:first-child {
    flex: 0 0 auto;
    border-right: 2px solid var(--light-gray);
    padding-right: 1rem;
}

.nav-column:nth-child(2) {
    flex: 0 0 auto;
    border-right: 2px solid var(--light-gray);
    padding-right: 1rem;
}

.nav-column-single {
    justify-content: center;
    min-width: auto;
    border-right: none;
    padding-left: 1rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition-fast);
    position: relative;
}

/* Styles des boutons de navigation */
.nav-button {
    display: block;
    text-align: center;
    padding: 0.7rem 1.3rem;
    background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--accent-cyan) 100%);
    color: var(--white) !important;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.nav-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    transition: left var(--transition-normal);
    z-index: -1;
}

.nav-button:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.nav-button:hover::before {
    left: 0;
}

.nav-button:active {
    transform: translateX(3px) scale(0.98);
}

.nav-cta {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%) !important;
    box-shadow: var(--shadow-lg) !important;
    position: relative;
    font-size: 1.1rem !important;
    padding: 1.5rem 2.5rem !important;
    border-radius: 12px !important;
    font-weight: 800 !important;
    letter-spacing: 1.2px !important;
    min-width: 200px;
}

.nav-cta i {
    margin-right: 0.6rem;
    font-size: 1.2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.nav-cta::before {
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--light-cyan) 100%) !important;
}

.nav-cta:hover {
    transform: scale(1.08) !important;
    box-shadow: 0 10px 35px rgba(6, 65, 88, 0.5) !important;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-blue);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ===========================
   Hero Section
   =========================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-blue);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ff5722" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(26, 43, 77, 0.3);
    animation: fadeInUp 0.8s ease;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    animation: fadeInUp 1s ease;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
}

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

.btn-primary:hover {
    background: var(--accent-cyan);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(43, 163, 199, 0.5);
}

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

.btn-secondary:hover {
    background: var(--cream);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stats-bar {
    display: flex;
    gap: 3rem;
    justify-content: center;
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    animation: fadeInUp 1.4s ease;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--light-cyan);
    display: block;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ===========================
   Sections Générales
   =========================== */

.section {
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

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

.section:nth-child(odd) {
    background: var(--cream);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--warm-gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===========================
   Cartes de Services
   =========================== */

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-image {
    flex: 0 0 300px;
    height: 300px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.service-content {
    flex: 1;
}

.service-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.service-icon {
    font-size: 2.5rem;
}

.service-card h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin: 0;
}

.service-card p {
    color: var(--warm-gray);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.service-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark-gray);
    font-size: 1rem;
}

.service-list li::before {
    content: '✓';
    color: var(--white);
    background: var(--accent-cyan);
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.service-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-cyan);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-sm);
}

.badge-icon {
    font-size: 1.2rem;
}

/* ===========================
   Section Présentation
   =========================== */

.about-content {
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.about-intro {
    font-size: 1.3rem;
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.about-text {
    font-size: 1.1rem;
    color: var(--warm-gray);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
}

.experience-highlight {
    background: var(--primary-cyan);
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    margin: var(--spacing-md) 0;
}

.experience-highlight h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.experience-badge {
    display: inline-block;
    background: var(--primary-cyan);
    color: var(--white);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-size: 1.3rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-sm);
}

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

.expertise-item {
    background: var(--cream);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.expertise-item:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.expertise-item i {
    font-size: 3rem;
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-sm);
}

.expertise-item h4 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.expertise-item p {
    color: var(--warm-gray);
    font-size: 0.95rem;
}

.values-section {
    margin-top: var(--spacing-lg);
}

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

.value-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.value-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.value-card i {
    font-size: 2.5rem;
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-sm);
}

.value-card h4 {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

/* ===========================
   Pourquoi Nous Choisir
   =========================== */

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

.feature-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.feature-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 4rem;
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-md);
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--warm-gray);
    line-height: 1.7;
}

/* ===========================
   Section Contact
   =========================== */

.contact-section {
    background: var(--cream);
    color: var(--dark-gray);
}

.contact-section .section-title {
    color: var(--primary-blue);
}

.contact-section .section-subtitle {
    color: var(--dark-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-info {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-blue);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--cream);
    border-radius: 10px;
    transition: var(--transition-normal);
}

.info-item:hover {
    background: var(--light-gray);
    transform: translateX(5px);
}

.info-icon {
    font-size: 1.8rem;
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--primary-blue);
}

.info-content p {
    color: var(--dark-gray);
    font-size: 1rem;
}

.info-content a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 600;
}

.info-content a:hover {
    color: var(--accent-cyan);
}

.contact-urgency {
    background: var(--primary-cyan);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    margin-top: var(--spacing-md);
    box-shadow: var(--shadow-lg);
}

.contact-urgency h4 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.contact-urgency p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

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

.trust-item i {
    font-size: 2rem;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.trust-item span {
    display: block;
    font-size: 0.9rem;
    color: var(--dark-gray);
    font-weight: 600;
}

/* Formulaire de Contact */

.contact-form {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.contact-form h3 {
    color: var(--primary-blue);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    color: var(--dark-gray);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--medium-gray);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
    color: var(--dark-gray);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.1);
}

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

.form-group.honeypot {
    position: absolute;
    left: -9999px;
}

.btn-submit {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(135deg, #1a8aaa 0%, #2ba3c7 100%) !important;
    color: #ffffff !important;
    border: none;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(26, 138, 170, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-submit:hover {
    background: linear-gradient(135deg, #064158 0%, #0a5f7d 100%) !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(6, 65, 88, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit i {
    font-size: 1.1rem;
}

/* ===========================
   Footer
   =========================== */

.footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto var(--spacing-lg);
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--light-cyan);
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.8;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-cyan);
    opacity: 1;
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    opacity: 0.8;
}

/* ===========================
   Boutons Flottants
   =========================== */

.floating-call {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.call-button {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--primary-cyan);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    transition: var(--transition-normal);
    animation: pulse 2s infinite;
}

.call-button:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 32px rgba(255, 87, 34, 0.4);
}

.call-icon {
    font-size: 1.5rem;
}

.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    background: var(--dark-blue);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 998;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-cyan);
    transform: translateY(-5px);
}

.back-to-top i {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    line-height: 1;
}

/* ===========================
   Animations
   =========================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================
   Notifications
   =========================== */

.notification {
    position: fixed;
    top: 100px;
    right: 30px;
    background: var(--white);
    color: var(--dark-gray);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    max-width: 350px;
    animation: slideInRight 0.5s ease;
    border-left: 4px solid var(--primary-orange);
}

.notification.success {
    border-left-color: #27ae60;
}

.notification.error {
    border-left-color: var(--accent-red);
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 968px) {
    .nav-container {
        padding: 0.8rem 1.5rem;
        gap: 1.5rem;
        min-height: 80px;
    }
    
    .logo-container {
        padding: 0.4rem 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        gap: 1rem;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition-normal);
        border-radius: 0;
    }
    
    .nav-column {
        width: 100%;
        gap: 0.75rem;
        min-width: auto;
        border-right: none !important;
        padding: 0 !important;
    }
    
    .nav-column-single {
        margin-top: 1.5rem;
        padding-top: 1.5rem;
        border-top: 2px solid var(--light-gray);
    }
    
    .nav-cta {
        padding: 1.5rem 2rem !important;
        font-size: 1.15rem !important;
        min-width: auto;
        width: 100%;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .service-card {
        flex-direction: column;
    }
    
    .service-image {
        flex: 0 0 auto;
        width: 100%;
        height: 250px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-bar {
        gap: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 600px) {
    :root {
        font-size: 14px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .logo {
        height: 120px;
    }
    
    .company-title {
        font-size: 1.5rem;
        letter-spacing: 1.5px;
    }
    
    .tagline-word {
        font-size: 0.7rem;
        letter-spacing: 1px;
    }
    
    .tagline-separator {
        font-size: 0.5rem;
    }
    
    .logo-container {
        gap: 0.8rem;
        padding: 0.6rem 1.2rem;
    }
    
    .floating-call {
        bottom: 20px;
        right: 20px;
    }
    
    .call-button span {
        display: none;
    }
    
    .call-button {
        width: 60px;
        height: 60px;
        padding: 0;
        justify-content: center;
    }
    
    .back-to-top {
        bottom: 90px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* ===========================
   Accessibilité
   =========================== */

.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;
}

*:focus-visible {
    outline: 3px solid var(--primary-orange);
    outline-offset: 2px;
}

/* Amélioration du contraste pour l'accessibilité */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--primary-orange);
    outline-offset: 2px;
}

/* ===========================
   Lightbox Modal
   =========================== */

.lightbox {
    display: none;
    position: fixed;
    z-index: 10000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(6, 65, 88, 0.95);
    backdrop-filter: blur(10px);
}

.lightbox-content {
    margin: auto;
    display: block;
    width: auto;
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: var(--white);
    font-size: 50px;
    font-weight: 700;
    transition: var(--transition-fast);
    cursor: pointer;
    z-index: 10001;
    background: rgba(26, 138, 170, 0.8);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.lightbox-close:hover,
.lightbox-close:focus {
    background: var(--accent-cyan);
    transform: rotate(90deg) scale(1.1);
}

.lightbox-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: var(--white);
    padding: 20px 10px;
    font-size: 1.2rem;
    font-weight: 600;
}

.clickable-image {
    cursor: pointer;
    transition: var(--transition-normal);
}

.clickable-image:hover {
    transform: scale(1.02);
    opacity: 0.9;
    box-shadow: 0 8px 24px rgba(43, 163, 199, 0.4);
}

@media (max-width: 768px) {
    .lightbox-close {
        top: 10px;
        right: 20px;
        font-size: 40px;
        width: 50px;
        height: 50px;
    }
    
    .lightbox-content {
        max-width: 95%;
        max-height: 80vh;
    }
    
    .lightbox-caption {
        font-size: 1rem;
        padding: 15px 5px;
    }
}

/* ===========================
   Utilitaires
   =========================== */

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}