/* 
   Tous Les Réseaux - Style Premium 2026 
   Theme: Cyber Security, Professional, Infrastructure, Dark Blue & Teal
*/

:root {
    --primary-color: #0B1120; /* Deepest Navy (Almost Black) */
    --secondary-color: #0F172A; /* Slate 900 */
    --accent-color: #06B6D4; /* Cyan 500 */
    --accent-glow: #22D3EE; /* Cyan 400 */
    --text-main: #F8FAFC; /* Slate 50 */
    --text-muted: #94A3B8; /* Slate 400 */
    --card-bg: #1E293B; /* Slate 800 */
    --white: #FFFFFF;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--primary-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.text-center { text-align: center; }
.text-white { color: var(--white); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #3B82F6);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.5);
}

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

.btn-secondary:hover {
    background: rgba(6, 182, 212, 0.1);
    transform: translateY(-2px);
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 17, 32, 0.85); /* Proper glassmorphism background */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 20px 0;
    transition: padding 0.3s ease;
}

header.scrolled {
    padding: 15px 0;
    background: rgba(11, 17, 32, 0.95);
}

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

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

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    letter-spacing: -0.5px;
}

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

.nav-list {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}

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

.btn-cta-nav {
    padding: 8px 20px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-color);
    border-radius: 6px;
    font-weight: 600;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

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

/* Mobile Menu */
.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-main);
    transition: all 0.3s ease-in-out;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%; /* Hidden by default */
    width: 100%;
    height: 100vh;
    background: var(--primary-color);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.4s ease;
}

.mobile-menu.active {
    right: 0;
}

.mobile-nav-list {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mobile-nav-list a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding-top: 80px; /* Offset for header */
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #1e293b 0%, #0b1120 100%);
    z-index: -2;
}

/* Abstract Network Grid Background */
.network-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(6, 182, 212, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 182, 212, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    perspective: 1000px;
    transform: translateZ(0);
}

.network-grid::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to bottom, transparent, var(--primary-color));
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

h1.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.highlight {
    background: linear-gradient(to right, var(--accent-color), #3B82F6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Expertises */
.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.section-intro {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.expertise-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.expertise-card:hover {
    transform: translateY(-10px);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: var(--shadow-glow);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(6, 182, 212, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: var(--accent-color);
    font-size: 1.5rem;
}

.expertise-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.expertise-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Services */
.bg-light {
    background-color: var(--secondary-color);
}

.services-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.service-item {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    display: flex;
    align-items: flex-start;
    gap: 25px;
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.service-item:hover {
    border-left-color: var(--accent-color);
    transform: translateX(10px);
    background: rgba(30, 41, 59, 0.8);
}

.service-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.1);
    font-family: var(--font-heading);
}

.service-content h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--text-main);
}

.service-content p {
    color: var(--text-muted);
}

/* Company & Team */
.company-wrapper {
    display: flex; /* Changed from grid to flex for better control if needed, but grid is fine too */
    flex-direction: column;
    gap: 60px;
}

.company-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.engagements-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.engagement-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.engagement-item i {
    color: var(--accent-color);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.team-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

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

.team-img-placeholder {
    height: 200px;
    background: #2a3441;
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-img-placeholder i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.1);
}

.team-info {
    padding: 20px;
}

.team-info h4 {
    color: var(--white);
    margin-bottom: 5px;
}

.team-info .role {
    display: block;
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.team-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Reviews */
.reviews-slider {
    display: grid; /* Simple grid for now, logic for slider in JS if needed but grid is cleaner for one-page */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.review-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stars {
    color: #FBBF24; /* Amber 400 */
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.review-text {
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 700;
    font-size: 0.95rem;
}

.author-role {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Contact */
.contact-section {
    position: relative;
    background: radial-gradient(circle at 100% 0%, rgba(6, 182, 212, 0.05), transparent 50%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    margin-top: 40px;
}

.info-items {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.info-item i {
    width: 40px;
    height: 40px;
    background: rgba(6, 182, 212, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    flex-shrink: 0;
}

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.info-item p {
    color: var(--text-muted);
}

.social-links {
    margin-top: 40px;
    display: flex;
    gap: 20px;
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

input, select, textarea {
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--white);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
    padding: 30px 0;
    background: #020617; /* Very Dark */
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.footer-links {
    display: flex;
    gap: 20px;
}

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

/* Responsive */
@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    h1.hero-title {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
        padding: 25px;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

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