/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Colors */
    --brand-blue: #0F7ABE;
    --brand-orange: #F79331;
    --brand-white: #ffffff;
    
    --bg-dark: #050d18; /* Deep dark blue based on the brand blue */
    --bg-card: rgba(15, 30, 50, 0.45); /* Glassmorphic blue tinted containers */
    --bg-card-hover: rgba(22, 45, 75, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.18);
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1; /* Clear slate blue/gray for good readability */
    --text-muted: #64748b;
    
    /* Accents & Gradients */
    /* Informatique (Service Web) - Brand Blue dominant */
    --color-it-start: #0F7ABE;
    --color-it-end: #3b82f6; 
    --grad-it: linear-gradient(135deg, var(--color-it-start), var(--color-it-end));
    
    /* Audiovisuel - Brand Orange dominant */
    --color-av-start: #F79331;
    --color-av-end: #f97316;
    --grad-av: linear-gradient(135deg, var(--color-av-start), var(--color-av-end));
    
    /* Telecom - Brand White & Silver dominant */
    --color-telecom-start: #ffffff;
    --color-telecom-end: #cbd5e1;
    --grad-telecom: linear-gradient(135deg, var(--color-telecom-start), var(--color-telecom-end));
    
    /* Main Gradients */
    --grad-primary: linear-gradient(135deg, var(--brand-blue), #1d9bf0);
    --grad-accent: linear-gradient(135deg, var(--brand-orange), #f97316);
    
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Layout */
    --container-width: 94%;
    --header-height: 80px;
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    --border-radius-sm: 8px;
    
    /* Animation */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
}

body {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    position: relative;
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: clip;
}

/* Background Glowing Orbs */
.bg-glow {
    position: absolute;
    width: min(500px, 85vw);
    height: min(500px, 85vw);
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
    animation: pulseGlow 10s infinite alternate ease-in-out;
    max-width: 100%;
    overflow: hidden;
}

.bg-glow-1 {
    top: -50px;
    left: 0;
    background: radial-gradient(circle, var(--color-it-start) 0%, transparent 70%);
}

.bg-glow-2 {
    top: 40%;
    right: 0;
    background: radial-gradient(circle, var(--color-av-start) 0%, transparent 70%);
    animation-delay: 2s;
}

.bg-glow-3 {
    bottom: -50px;
    left: 5%;
    background: radial-gradient(circle, var(--color-telecom-start) 0%, transparent 70%);
    animation-delay: 4s;
}

@keyframes pulseGlow {
    0% { transform: scale(1) translate(0, 0); opacity: 0.12; }
    100% { transform: scale(1.15) translate(30px, 30px); opacity: 0.2; }
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
}

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

img, svg {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* Common Layout Utilities */
.container {
    width: var(--container-width);
    max-width: 1600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    box-sizing: border-box;
}

section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 24px 24px;
    z-index: 1;
    pointer-events: none;
}

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

/* Section headers */
.section-header {
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-top: 10px;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 0.95rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--brand-orange);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background-image: linear-gradient(75deg, var(--brand-blue) 0%, var(--brand-blue) 50%, var(--brand-orange) 50%, var(--brand-orange) 100%) !important;
    background-size: 240% 100% !important;
    background-position: 0% 0% !important;
    color: #fff !important;
    border: none;
    box-shadow: 0 4px 15px rgba(15, 122, 190, 0.25);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.btn-primary:hover {
    background-position: 100% 0% !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(247, 147, 49, 0.35);
    color: #fff !important;
}

.btn-primary i {
    transition: transform var(--transition-fast);
}

.btn-primary:hover i {
    transform: translateX(4px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    border-color: var(--border-color);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--brand-blue);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(15, 122, 190, 0.15);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
    border-radius: var(--border-radius-sm);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 100;
    display: flex;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
}

.main-header.scrolled {
    background: rgba(7, 9, 19, 0.75);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    height: 70px;
}

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

.logo {
    display: flex;
    align-items: center;
    transition: var(--transition-smooth);
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    border-radius: 6px;
    background-color: #ffffff;
    padding: 5px 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: var(--transition-smooth);
}

.logo:hover .logo-img {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(15, 122, 190, 0.3);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-left: 12px;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: var(--transition-smooth);
}

.logo:hover .logo-text {
    background: linear-gradient(135deg, var(--brand-blue) 0%, #3b82f6 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--grad-primary);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.5rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding-top: calc(var(--header-height) + 40px);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: #050d18;
}

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    pointer-events: none;
    opacity: 0.45;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(5, 13, 24, 0.72) 0%, rgba(5, 13, 24, 0.42) 100%);
    z-index: 2;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 3;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.pulse {
    display: block;
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulseIcon 1.6s infinite;
}

@keyframes pulseIcon {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #b4c6fc 50%, #86d2ff 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    overflow-wrap: break-word;
}

.hero-lead {
    font-size: clamp(0.95rem, 2vw, 1.15rem);
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    max-width: 100%;
}

/* Hero Cards Visual Representation */
.hero-visual {
    width: 100%;
    max-width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
    overflow: hidden;
}

.visual-card-wrapper {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    max-width: 380px;
    box-sizing: border-box;
}

.visual-card {
    position: relative;
    width: 85%;
    max-width: 310px;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(15px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    transition: var(--transition-bounce);
    cursor: default;
    z-index: 2;
    box-sizing: border-box;
}

.visual-card:hover {
    transform: translateY(-5px) scale(1.03) !important;
    border-color: var(--border-hover);
    z-index: 10;
}

.visual-card .card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: #fff;
}

.visual-card h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.visual-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Card IT Specific */
.card-it {
    align-self: flex-start;
    animation: floatIt 6s infinite alternate ease-in-out;
    border-top: 4px solid var(--brand-blue);
}
.card-it .card-icon {
    background: var(--grad-it);
    box-shadow: 0 4px 15px rgba(15, 122, 190, 0.4);
}
.card-it:hover {
    box-shadow: 0 20px 45px rgba(15, 122, 190, 0.25);
}

/* Card AV Specific */
.card-av {
    align-self: flex-end;
    animation: floatAv 7s infinite alternate ease-in-out;
    border-top: 4px solid var(--brand-orange);
}
.card-av .card-icon {
    background: var(--grad-av);
    box-shadow: 0 4px 15px rgba(247, 147, 49, 0.4);
}
.card-av:hover {
    box-shadow: 0 20px 45px rgba(247, 147, 49, 0.25);
}

/* Card Telecom Specific */
.card-tel {
    align-self: center;
    animation: floatTel 8s infinite alternate ease-in-out;
    z-index: 3;
    border-top: 4px solid var(--brand-white);
}
.card-tel .card-icon {
    background: var(--grad-telecom);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
}
.card-tel .card-icon i,
.card-tel .card-icon svg {
    color: var(--brand-blue) !important;
    stroke: var(--brand-blue) !important;
}
.card-tel:hover {
    box-shadow: 0 20px 45px rgba(255, 255, 255, 0.15);
}

.visual-center-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    top: 25%;
    left: 25%;
    background: radial-gradient(circle, rgba(15, 122, 190, 0.2) 0%, transparent 60%);
    filter: blur(40px);
    z-index: 1;
    pointer-events: none;
}

@keyframes floatIt {
    0% { transform: translateY(0px) rotate(0.5deg); }
    100% { transform: translateY(-12px) rotate(-0.5deg); }
}

@keyframes floatAv {
    0% { transform: translateY(0px) rotate(-0.5deg); }
    100% { transform: translateY(12px) rotate(0.5deg); }
}

@keyframes floatTel {
    0% { transform: translateY(0px) rotate(0.2deg); }
    100% { transform: translateY(-10px) rotate(-0.2deg); }
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-section {
    background: #f4f6fa;
    border-top: 1px solid rgba(15, 122, 190, 0.08);
}

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

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff, #b4c6fc);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--grad-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 5px;
}

/* Features list right side */
.about-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
}

.feature-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateX(5px);
}

.feature-icon {
    font-size: 1.5rem;
    color: var(--brand-blue);
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-body h4 {
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.feature-body p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   SERVICES SECTION (THE CENTRAL CORE)
   ========================================================================== */
.services-section {
    background: #050d18;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.services-selector-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

/* Selector Card Base */
.selector-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
    outline: none;
}

/* Custom irised border effect on hover & active */
.selector-card-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg);
    pointer-events: none;
    z-index: 2;
    transition: var(--transition-smooth);
}

.selector-content {
    padding: 32px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-tag {
    align-self: flex-start;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.selector-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: #fff;
    transition: var(--transition-bounce);
}

.selector-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    transition: var(--transition-fast);
}

.service-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    flex-grow: 1;
}

.learn-more {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition-fast);
}

.learn-more i {
    font-size: 1rem;
    transition: transform var(--transition-fast);
}

.selector-card:hover .learn-more i {
    transform: translateX(4px);
}

/* Service Colors Customization - IT */
.tag-it {
    background: rgba(15, 122, 190, 0.15);
    color: #93c5fd;
}
.icon-it {
    background: var(--grad-it);
    box-shadow: 0 4px 15px rgba(15, 122, 190, 0.3);
}

/* Service Colors Customization - AV */
.tag-av {
    background: rgba(247, 147, 49, 0.15);
    color: #fdba74;
}
.icon-av {
    background: var(--grad-av);
    box-shadow: 0 4px 15px rgba(247, 147, 49, 0.3);
}

/* Service Colors Customization - Telecom */
.tag-telecom {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}
.icon-telecom {
    background: var(--grad-telecom);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
}
.icon-telecom i,
.icon-telecom svg {
    color: var(--brand-blue) !important;
    stroke: var(--brand-blue) !important;
}

/* Selector Card States */
.selector-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px);
    border-color: var(--border-hover);
}

.selector-card:hover .selector-icon {
    transform: scale(1.08);
}

/* Selector Active States */
.selector-card[data-service="informatique"].active {
    box-shadow: 0 10px 30px rgba(15, 122, 190, 0.2);
}
.selector-card[data-service="informatique"].active .selector-card-border {
    border-color: var(--color-it-start);
}
.selector-card[data-service="informatique"].active h3 {
    color: #93c5fd;
}
.selector-card[data-service="informatique"].active .learn-more {
    color: #93c5fd;
}

.selector-card[data-service="audiovisuel"].active {
    box-shadow: 0 10px 30px rgba(247, 147, 49, 0.2);
}
.selector-card[data-service="audiovisuel"].active .selector-card-border {
    border-color: var(--color-av-start);
}
.selector-card[data-service="audiovisuel"].active h3 {
    color: #fdba74;
}
.selector-card[data-service="audiovisuel"].active .learn-more {
    color: #fdba74;
}

.selector-card[data-service="telecom"].active {
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
}
.selector-card[data-service="telecom"].active .selector-card-border {
    border-color: var(--color-telecom-start);
}
.selector-card[data-service="telecom"].active h3 {
    color: #ffffff;
}
.selector-card[data-service="telecom"].active .learn-more {
    color: #ffffff;
}

/* Subservices Display Panel */
.subservices-display-container {
    background: rgba(10, 15, 30, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: clamp(20px, 4vw, 48px);
    backdrop-filter: blur(15px);
    position: relative;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.subservices-panel {
    display: none;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.subservices-panel.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.panel-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
    margin-bottom: 32px;
}

.panel-title-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
}

.panel-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.25rem;
}

.panel-header h3 {
    font-size: 1.6rem;
}

.panel-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.subservices-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.subservice-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 24px;
    transition: var(--transition-smooth);
}

.subservice-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

.subservice-card-icon {
    font-size: 1.5rem;
    color: var(--color-telecom-start);
    margin-bottom: 16px;
}

/* Set local accent colors based on panel parent */
#panel-informatique .subservice-card-icon { color: var(--color-it-start); }
#panel-audiovisuel .subservice-card-icon { color: var(--color-av-start); }
#panel-telecom .subservice-card-icon { color: var(--brand-blue); }

.subservice-card h4 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.subservice-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   BENEFITS SECTION
   ========================================================================== */
.benefits-section {
    background: #f4f6fa;
    border-top: 1px solid rgba(15, 122, 190, 0.08);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.benefits-visual {
    display: flex;
    justify-content: center;
}

.benefits-box {
    position: relative;
    width: 100%;
    max-width: 320px;
    height: 380px;
    border-radius: var(--border-radius-lg);
    z-index: 1;
}

.box-decor {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-lg);
    z-index: -1;
    transition: var(--transition-smooth);
}

.glow-blue {
    background: var(--grad-telecom);
    transform: rotate(-3deg);
    opacity: 0.5;
    filter: blur(10px);
}

.glow-purple {
    background: var(--grad-it);
    transform: rotate(3deg);
    opacity: 0.5;
    filter: blur(10px);
    animation: rotateDecor 12s infinite alternate ease-in-out;
}

@keyframes rotateDecor {
    0% { transform: rotate(3deg) scale(0.98); }
    100% { transform: rotate(6deg) scale(1.02); }
}

.box-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 30, 0.85);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.badge-icon {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--brand-orange);
    font-size: 1.5rem;
}

.box-content h3 {
    font-size: 1.6rem;
    margin-bottom: 16px;
}

.box-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 20px;
}

.benefit-card {
    display: flex;
    gap: 24px;
}

.benefit-num {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-orange);
    flex-shrink: 0;
}

.benefit-body h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.benefit-body p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
    background: #050d18;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: start;
}

.contact-desc {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.details-item {
    display: flex;
    gap: 20px;
    align-items: center;
}

.details-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-blue);
    font-size: 1.2rem;
}

.details-body span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.details-body a, .details-body p {
    font-size: 1rem;
    font-weight: 600;
}

.details-body a:hover {
    color: var(--brand-blue);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.social-links a svg {
    display: inline-block;
    width: 20px;
    height: 20px;
    fill: var(--text-secondary) !important;
    stroke: none !important;
    transition: var(--transition-smooth);
}

.social-links a:hover {
    background: var(--grad-primary);
    border-color: transparent;
    transform: translateY(-3px);
}

.social-links a:hover svg {
    fill: #ffffff !important;
    stroke: none !important;
}

/* Glassmorphic Contact Form */
.contact-form-container {
    background: rgba(15, 22, 42, 0.35);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: clamp(20px, 4vw, 40px);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 45px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
    width: 100%;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--brand-blue);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 10px rgba(15, 122, 190, 0.2);
}

.form-group select option {
    background-color: var(--bg-dark);
    color: var(--text-primary);
}

.form-message {
    font-size: 0.9rem;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.form-message.error {
    display: block;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    background: rgba(4, 6, 14, 0.95);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 280px;
}

.footer-grid h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-grid ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-grid ul a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-grid ul a:hover {
    color: var(--text-primary);
}

.footer-legal p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

/* ==========================================================================
   SCROLL REVEAL & INTERACTIVE CLASSES
   ========================================================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

/* Tablet Portrait & Small Screen Laptop (max-width: 1024px) */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }
    
    .about-grid, .benefits-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .benefits-visual {
        order: 2;
    }
    
    .services-selector-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

/* Tablet (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* Navigation responsive menu */
    .mobile-menu-toggle {
        display: block;
        z-index: 102;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background: rgba(7, 9, 19, 0.98);
        backdrop-filter: blur(25px);
        border-left: 1px solid var(--border-color);
        z-index: 1001;
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        visibility: hidden;
        pointer-events: none;
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
    }
    
    .nav-menu.open {
        transform: translateX(0);
        visibility: visible;
        pointer-events: auto;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 40px;
        align-items: center;
    }
    
    .nav-menu .btn {
        width: 200px;
        margin-top: 10px;
    }
    
    /* Subservices */
    .subservices-display-container {
        padding: 24px;
    }
    
    .subservices-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-form-container {
        padding: 24px;
    }
    
    .hero-visual {
        padding: 0;
        height: auto;
    }
    
    .visual-card {
        width: 85%;
        padding: 16px 20px;
    }
}

/* Mobile Screen (max-width: 480px) */
@media (max-width: 480px) {
    :root {
        --container-width: 92%;
    }

    .logo-text {
        font-size: 1.35rem !important;
        margin-left: 8px !important;
    }
    .logo-img {
        height: 36px !important;
    }

    .hero-content h1 {
        font-size: 1.85rem;
        line-height: 1.25;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }
    
    .hero-actions .btn {
        width: 100%;
    }

    .visual-card-wrapper {
        align-items: center;
        max-width: 100%;
    }

    .visual-card {
        width: 100% !important;
        max-width: 100% !important;
        align-self: center !important;
        transform: none !important;
    }

    .card-it, .card-av, .card-tel {
        align-self: center !important;
        animation: none !important;
    }

    .subservices-display-container {
        padding: 16px !important;
        border-radius: var(--border-radius-md);
    }
    
    .contact-form-container {
        padding: 16px !important;
        border-radius: var(--border-radius-md);
    }

    .selector-content {
        padding: 20px 16px !important;
    }

    .details-item {
        gap: 14px;
    }

    .details-body a, .details-body p {
        font-size: 0.88rem;
        overflow-wrap: anywhere;
        word-break: break-word;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .about-stats {
        gap: 16px;
        justify-content: space-between;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-box {
        width: 100%;
        height: auto;
    }
    
    .box-content {
        position: relative;
        padding: 20px;
    }
    
    .glow-blue, .glow-purple {
        display: none;
    }
}

/* ==========================================================================
   LIGHT SECTIONS STYLES (Alternating White Backgrounds)
   ========================================================================== */
.about-section, .benefits-section {
    color: #0f172a !important;
}

/* Light background dot pattern override */
.about-section::before, .benefits-section::before {
    background-image: radial-gradient(rgba(15, 122, 190, 0.06) 1px, transparent 1px) !important;
}

/* Section titles for light background */
.about-section .section-title, .benefits-section .section-title {
    background: linear-gradient(135deg, #050d18 0%, var(--brand-blue) 100%) !important;
    background-clip: text !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

.about-section .about-text h3 {
    background: linear-gradient(135deg, #050d18 0%, var(--brand-blue) 100%) !important;
    background-clip: text !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

.about-section .about-text p {
    color: #334155 !important;
}

.about-section .stat-label {
    color: #475569 !important;
}

/* Card items inside about section (feature checkmarks) */
.about-section .feature-item {
    background: #ffffff !important;
    border-color: rgba(15, 122, 190, 0.08) !important;
    box-shadow: 0 10px 25px rgba(15, 122, 190, 0.04) !important;
}

.about-section .feature-item:hover {
    border-color: var(--brand-blue) !important;
    box-shadow: 0 12px 30px rgba(15, 122, 190, 0.08) !important;
}

.about-section .feature-body p {
    color: #475569 !important;
}

/* Card items inside benefits section (why us list) */
.benefits-section .benefit-body h4 {
    color: #0f172a !important;
}

.benefits-section .benefit-body p {
    color: #475569 !important;
}

.benefits-section .benefit-num {
    background: rgba(15, 122, 190, 0.05) !important;
    border-color: rgba(15, 122, 190, 0.1) !important;
    color: var(--brand-orange) !important;
}

/* Staggered box on the left for the benefits section */
.benefits-section .box-content {
    background: rgba(5, 13, 24, 0.96) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

.benefits-section .box-content h3, 
.benefits-section .box-content p {
    color: #ffffff !important;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 95px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #25D366;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    outline: none;
    text-decoration: none;
}

.whatsapp-float i {
    width: 24px;
    height: 24px;
    stroke: #ffffff !important;
    stroke-width: 2.2px;
    fill: none;
}

.whatsapp-float svg {
    width: 24px;
    height: 24px;
    fill: #ffffff !important;
    stroke: none !important;
}

/* WhatsApp pulse animation to draw attention */
.whatsapp-float::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #25D366;
    opacity: 0.4;
    z-index: -1;
    animation: whatsappPulse 2s infinite;
}

@keyframes whatsappPulse {
    0% {
        transform: scale(1);
        opacity: 0.4;
    }
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
    background: #20ba5a;
}

/* Tooltip style */
.whatsapp-tooltip {
    position: absolute;
    right: 65px;
    background: #050d18;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    padding: 6px 12px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
    pointer-events: none;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 75px; /* Adjusted for mobile bottom placement */
        right: 20px;
        width: 40px;
        height: 40px;
    }
    
    .whatsapp-float i,
    .whatsapp-float svg {
        width: 20px;
        height: 20px;
    }
    
    .whatsapp-tooltip {
        display: none; /* Hide tooltips on mobile devices */
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(15, 30, 50, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 998;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    outline: none;
}

.back-to-top i,
.back-to-top svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-primary) !important;
    stroke-width: 2.5px;
    fill: none;
    transition: var(--transition-smooth);
}

.back-to-top:hover {
    background: var(--brand-orange);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(247, 147, 49, 0.4);
}

.back-to-top:hover i,
.back-to-top:hover svg {
    stroke: #ffffff !important;
    transform: translateY(-2px);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
    
    .back-to-top i,
    .back-to-top svg {
        width: 18px;
        height: 18px;
    }
}

/* Spinner Animation */
.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   PARTNERS & CLIENTS MARQUEE SECTION
   ========================================================================== */
.partners-section {
    background: #030811; /* Slightly darker than deep dark blue for contrast between sections */
    border-top: 1px solid rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    padding: 80px 0;
}

.logo-marquee-container {
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    position: relative;
    padding: 20px 0;
    contain: paint;
}

/* Linear gradient masks to fade logos at the edges */
.logo-marquee-container::before,
.logo-marquee-container::after {
    content: "";
    height: 100%;
    width: 150px;
    position: absolute;
    z-index: 2;
    pointer-events: none;
}

.logo-marquee-container::before {
    left: 0;
    top: 0;
    background: linear-gradient(to right, #030811, transparent);
}

.logo-marquee-container::after {
    right: 0;
    top: 0;
    background: linear-gradient(to left, #030811, transparent);
}

.logo-marquee-track {
    display: flex;
    width: calc(250px * 12); /* 6 logos * 2 sets */
    animation: scrollMarquee 25s linear infinite;
}

/* Pause scroll on hover */
.logo-marquee-container:hover .logo-marquee-track {
    animation-play-state: paused;
}

.logo-slide {
    width: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    transition: var(--transition-smooth);
    cursor: pointer;
    flex-shrink: 0;
}

.logo-slide i,
.logo-slide svg {
    width: 24px;
    height: 24px;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.logo-slide:hover {
    color: var(--text-primary);
}

.logo-slide:hover i,
.logo-slide:hover svg {
    color: var(--brand-blue);
    transform: scale(1.1);
}

@keyframes scrollMarquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-250px * 6));
    }
}