/* 
 * Trinity Pro - Style principal
 * Un thème moderne et professionnel pour la plateforme de formation en cybersécurité
 */

/* ===== Variables ===== */
:root {
    /* Couleurs principales */
    --primary: #00ff00;
    --primary-dark: #00cc00;
    --primary-light: #66ff66;
    --secondary: #0a0a0a;
    --dark: #121212;
    --darker: #0a0a0a;
    --light: #f8f9fa;
    --light-muted: rgba(255, 255, 255, 0.7);
    --success: #00ff00;
    --danger: #ff4d4d;
    --warning: #ffcc00;
    --info: #00ccff;
    
    /* Couleurs de fond */
    --bg-dark: #121212;
    --bg-darker: #0a0a0a;
    --bg-card: rgba(30, 30, 30, 0.6);
    
    /* Ombres */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-success: 0 0 15px rgba(0, 255, 0, 0.5);
    
    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    /* Bordures */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --border-width: 1px;
    --border-width-lg: 2px;
}

/* ===== Base ===== */
body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-dark);
    color: var(--light);
    overflow-x: hidden;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

code, pre {
    font-family: 'Roboto Mono', monospace;
}

.text-light-muted {
    color: var(--light-muted);
}

.bg-dark {
    background-color: var(--bg-dark) !important;
}

.bg-darker {
    background-color: var(--bg-darker) !important;
}

.bg-dark-card {
    background-color: var(--bg-card) !important;
}

/* ===== Particles Background ===== */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== Navbar ===== */
.navbar {
    transition: var(--transition-normal);
    z-index: 1000;
}

.navbar-blur {
    backdrop-filter: blur(10px);
    background-color: rgba(10, 10, 10, 0.8);
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary) !important;
}

.dropdown-menu-blur {
    backdrop-filter: blur(10px);
    background-color: rgba(20, 20, 20, 0.9);
    border: var(--border-width) solid rgba(0, 255, 0, 0.1);
    box-shadow: var(--shadow-md);
}

.dropdown-item {
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background-color: rgba(0, 255, 0, 0.1);
    color: var(--primary);
}

/* ===== Hero Section ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 6rem 0;
}

.text-gradient {
    background: linear-gradient(90deg, #ffffff, #00ff00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.hero-image-container {
    position: relative;
}

.hero-image {
    position: relative;
    z-index: 1;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: var(--border-width) solid rgba(0, 255, 0, 0.2);
}

.hero-image img {
    transition: var(--transition-slow);
}

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

.hero-card {
    position: absolute;
    background-color: rgba(20, 20, 20, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    z-index: 2;
    border: var(--border-width) solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

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

.hero-card-1 {
    top: 10%;
    right: -10%;
    max-width: 250px;
}

.hero-card-2 {
    bottom: 10%;
    left: -10%;
    max-width: 280px;
}

.hero-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

/* Avatar Stack */
.avatar-stack {
    display: flex;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--bg-dark);
    margin-left: -10px;
    object-fit: cover;
}

.avatar:first-child {
    margin-left: 0;
}

.avatar-more {
    background-color: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
}

/* ===== Feature Icons ===== */
.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* ===== Counter Section ===== */
.counter-item {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    background-color: var(--bg-card);
    border: var(--border-width) solid rgba(0, 255, 0, 0.1);
    transition: var(--transition-normal);
}

.counter-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-success);
}

.counter-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, var(--primary), var(--info));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.counter-label {
    font-size: 1.1rem;
    color: var(--light-muted);
}

/* ===== Feature Cards ===== */
.feature-card {
    transition: var(--transition-normal);
    border: var(--border-width) solid rgba(0, 255, 0, 0.1);
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-success);
    border-color: rgba(0, 255, 0, 0.3);
}

/* ===== Course Cards ===== */
.course-card {
    transition: var(--transition-normal);
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 100%;
}

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

.course-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.5) 50%, rgba(0, 0, 0, 0.2) 100%);
    border-radius: var(--border-radius);
}

.category-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 3;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 50px;
}

/* ===== Buttons ===== */
.btn {
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    transition: var(--transition-normal);
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.25rem 1rem;
    font-size: 0.875rem;
}

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

.btn-success:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.5);
}

.btn-outline-success {
    color: var(--success);
    border-color: var(--success);
}

.btn-outline-success:hover {
    background-color: var(--success);
    color: var(--dark);
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.5);
}

.btn-glow {
    position: relative;
    overflow: hidden;
    border: var(--border-width-lg) solid var(--primary);
    color: var(--light);
    background-color: transparent;
    z-index: 1;
}

.btn-glow:hover {
    color: var(--dark);
    box-shadow: 0 0 20px var(--primary);
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--primary);
    transition: var(--transition-normal);
    z-index: -1;
}

.btn-glow:hover::before {
    width: 100%;
}

/* ===== Badges ===== */
.badge {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 50px;
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 992px) {
    .hero-card-1, .hero-card-2 {
        display: none;
    }
}

@media (max-width: 768px) {
    .counter-item {
        padding: 1.5rem;
    }
    
    .counter-value {
        font-size: 2rem;
    }
    
    .counter-label {
        font-size: 1rem;
    }
}

/* ===== Animations ===== */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 255, 0, 0.3);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 255, 0, 0.5);
}