/* ============================================
   ENET-SYSTEMS - Style CSS
   Palette : Bleu canard #4F7882 | Gris ardoise #7C868A | Gris perle #E6E8EA
   Police : Inter
============================================ */

/* Variables CSS */
:root {
    --primary: #4F7882;
    --primary-dark: #3d5d65;
    --primary-light: #6a9aa6;
    --secondary: #7C868A;
    --secondary-light: #969ea1;
    --background: #E6E8EA;
    --background-light: #f5f6f7;
    --white: #ffffff;
    --text-dark: #2c3e42;
    --text-light: #5a6a6e;
    
    --shadow-sm: 0 2px 8px rgba(79, 120, 130, 0.1);
    --shadow-md: 0 4px 20px rgba(79, 120, 130, 0.15);
    --shadow-lg: 0 8px 40px rgba(79, 120, 130, 0.2);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--background);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   NAVIGATION
============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.btn-nav {
    background: var(--primary) !important;
    color: var(--white) !important;
    padding: 10px 20px !important;
    border-radius: var(--radius-sm) !important;
}

.btn-nav:hover {
    background: var(--primary-dark) !important;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
============================================ */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--white) 0%, var(--background) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 120, 130, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    line-height: 1.1;
}

.tagline {
    font-size: 1.5rem;
    color: var(--secondary);
    font-weight: 500;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

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

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

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

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

/* Hero Visual */
.hero-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    position: relative;
}

.hero-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

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

.hero-card:first-child {
    grid-column: span 2;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.card-text {
    font-weight: 600;
    color: var(--primary);
    font-size: 1.1rem;
}

/* ============================================
   SECTIONS COMMON
============================================ */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--secondary);
    font-size: 1.1rem;
    margin-bottom: 48px;
}

/* ============================================
   SERVICES SECTION
============================================ */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--background-light);
    padding: 32px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   CERTIFICATIONS SECTION
============================================ */
.certifications {
    background: var(--background);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.cert-card {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

.cert-logo {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background);
    border-radius: var(--radius-sm);
}

.cert-info h4 {
    color: var(--primary);
    font-size: 1rem;
    margin-bottom: 4px;
}

.cert-info p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.cert-date {
    font-size: 0.75rem;
    color: var(--secondary);
    background: var(--background);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Formation */
.formation {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.formation h3 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.formation-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.formation-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

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

.formation-item strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.formation-item p {
    color: var(--secondary);
    font-size: 0.9rem;
}

/* ============================================
   ZONE SECTION
============================================ */
.zone {
    background: var(--white);
}

.zone-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.zone-map {
    background: var(--background);
    border-radius: var(--radius-lg);
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder {
    font-size: 5rem;
    opacity: 0.5;
}

.zone-cities {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.city-tag {
    background: var(--background);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    color: var(--text-dark);
}

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

.zone-info p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.zone-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 24px 0;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-dark);
    font-weight: 500;
}

.feature span:first-child {
    font-size: 1.3rem;
}

.zone-note {
    font-size: 0.85rem;
    color: var(--secondary);
    font-style: italic;
}

/* ============================================
   REMOTE SECTION
============================================ */
.remote {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.remote .section-title {
    color: var(--white);
}

.remote .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.remote-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--white);
    color: var(--text-dark);
    padding: 20px 32px;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
    min-width: 220px;
}

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

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

.dl-text {
    display: flex;
    flex-direction: column;
}

.dl-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
}

.dl-sub {
    font-size: 0.85rem;
    color: var(--secondary);
}

.remote-note {
    text-align: center;
    opacity: 0.9;
    font-size: 0.95rem;
}

/* ============================================
   CONTACT SECTION
============================================ */
.contact {
    background: var(--background);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
}

.contact-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--background);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item:hover {
    color: var(--primary);
}

.contact-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background);
    border-radius: var(--radius-sm);
}

.contact-item strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--secondary);
    font-size: 0.95rem;
}

.contact-hours {
    background: var(--primary);
    color: var(--white);
    padding: 24px;
    border-radius: var(--radius-md);
}

.contact-hours h4 {
    margin-bottom: 12px;
}

.contact-hours p {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid var(--background);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--background-light);
}

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

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

.btn-submit {
    grid-column: span 2;
    justify-content: center;
    padding: 16px 32px;
    font-size: 1.05rem;
}

/* ============================================
   FOOTER
============================================ */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 48px 0 24px;
}

.footer-content {
    text-align: center;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-content p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-legal {
    font-size: 0.85rem;
    margin-top: 16px;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-description {
        margin: 0 auto 32px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 400px;
        margin: 40px auto 0;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .services-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .zone-content {
        grid-template-columns: 1fr;
    }
    
    .zone-map {
        height: 200px;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
        padding: 24px;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .btn-submit {
        grid-column: span 1;
    }
    
    .remote-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-btn {
        width: 100%;
        max-width: 300px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-visual {
        grid-template-columns: 1fr;
    }
    
    .hero-card:first-child {
        grid-column: span 1;
    }
}