/* PMEC 2026 - Custom Styles */

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preloader-img img {
    animation: pulse 2s infinite;
}

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

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

.navbar-nav .nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 0.375rem;
}

/* Hero Sections */
.hero-section,
.page-header,
.not-found-header {
    background: linear-gradient(135deg, var(--bs-primary) 0%, #0a58ca 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before,
.page-header::before,
.not-found-header::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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

/* Cards */
.card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Forms */
.form-control,
.form-select {
    border-radius: 0.5rem;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

/* Buttons */
.btn {
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    padding: 0.75rem 1.5rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Progress Bars */
.progress {
    height: 1.5rem;
    border-radius: 0.75rem;
    background-color: #e9ecef;
}

.progress-bar {
    border-radius: 0.75rem;
    transition: width 0.3s ease;
}

/* Features */
.feature-icon {
    transition: all 0.3s ease;
}

.feature-icon:hover {
    transform: scale(1.1);
}

/* Statistics */
.stat-item {
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-3px);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #212529 0%, #343a40 100%);
}

footer a {
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--bs-primary) !important;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section .display-4 {
        font-size: 2rem;
    }
    
    .page-header .display-4 {
        font-size: 2rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .preloader {
        padding: 1rem;
    }
    
    .preloader-img img {
        height: 30px;
    }
}

@media (max-width: 576px) {
    .hero-section .display-4 {
        font-size: 1.75rem;
    }
    
    .page-header .display-4 {
        font-size: 1.75rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .top-header-area {
        font-size: 0.875rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes bounceIn {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

/* Utility Classes */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1) !important;
}

.border-2 {
    border-width: 2px !important;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--bs-primary) 0%, #0a58ca 100%);
}

.bg-gradient-success {
    background: linear-gradient(135deg, var(--bs-success) 0%, #198754 100%);
}

.bg-gradient-info {
    background: linear-gradient(135deg, var(--bs-info) 0%, #0aa2c0 100%);
}

.bg-gradient-warning {
    background: linear-gradient(135deg, var(--bs-warning) 0%, #ffc107 100%);
}

.bg-gradient-danger {
    background: linear-gradient(135deg, var(--bs-danger) 0%, #dc3545 100%);
}

/* Accessibility */
.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;
}

/* Print Styles */
@media print {
    .navbar,
    .preloader,
    .btn,
    footer {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
    
    .page-header,
    .hero-section {
        background: none !important;
        color: #000 !important;
    }
}