:root {
    --primary-color: #2c5aa0;
    --secondary-color: #f8f9fa;
    --accent-color: #17a2b8;
    --text-dark: #333;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}
.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}
.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    transition: color 0.3s ease;
    position: relative;
}
.nav-link:hover {
    color: var(--primary-color) !important;
}

.nav-link:not(.dropdown-toggle)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}
.nav-link:not(.dropdown-toggle):hover::after {
    width: 100%;
}

.hero-section {
    background: var(--gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='7' cy='7' r='7'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateX(-60px) translateY(-60px); }
    100% { transform: translateX(calc(100vw + 60px)) translateY(60px); }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
}

.btn-custom {
    background: rgba(255,255,255,0.2);
    border: 2px solid white;
    color: white;
    padding: 15px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-custom:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

.card-custom {
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    overflow: hidden;
    height: 100%;
}

.card-custom:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.card-header-custom {
    background: var(--gradient);
    color: white;
    font-weight: 700;
    text-align: center;
    padding: 20px;
    font-size: 1.2rem;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.testimonial-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
    margin: 20px 0;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 30px;
    font-size: 4rem;
    color: var(--accent-color);
    line-height: 1;
}

.testimonial-card::after {
    content: '"';
    position: absolute;
    bottom: 10px;
    right: 30px;
    font-size: 4rem;
    color: var(--accent-color);
    line-height: 1;
}

.tutor-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    height: 100%;
    transition: transform 0.3s ease;
}

.tutor-card:hover {
    transform: translateY(-5px);
}

.tutor-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    overflow: hidden;
    border: 4px solid #007bff;
}

.tutor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tutor-image i {
    font-size: 4rem;
    color: #007bff;
    line-height: 142px;
}

.tutor-card h4 {
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.tutor-card p {
    text-align: left;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.news-card {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
}

.news-date {
    background: var(--accent-color);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 90, 160, 0.25);
}

.footer {
    background: var(--text-dark);
    color: white;
    padding: 50px 0 20px;
}

.social-links a {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: white;
    text-align: center;
    line-height: 50px;
    border-radius: 50%;
    margin: 0 10px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.page-content {
    display: none;
}

.page-content.active {
    display: block;
}

.level-badge {
    background: var(--gradient);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 15px;
}

.course-highlight {
    background: rgba(23, 162, 184, 0.1);
    border-left: 4px solid var(--accent-color);
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

/* Notifications */

.ui-pnotify-container {
    position: relative;
    color: #ffffff;
    border: none;
    border-radius: 10px !important;
    padding: 13px !important;
    color: white !important;
    -webkit-box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.47) !important;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.47) !important;
    -webkit-transition: all 0.2s linear;
    transition: all 0.2s linear;
}

.ui-pnotify-container::before {
    content: '';
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    border-radius: inherit;
    -webkit-box-shadow: inset 0 0 0 1.2px rgba(255, 255, 255, 0.2), inset 0 0 10px 2px rgba(0, 0, 0, 0.12);
    box-shadow: inset 0 0 0 1.2px rgba(255, 255, 255, 0.2), inset 0 0 10px 2px rgba(0, 0, 0, 0.12);
    mix-blend-mode: overlay;
    pointer-events: none;
}

.ui-pnotify .ui-pnotify-icon {
    font-size: 16px;
}

.brighttheme-icon-stuck {
    display: none !important;
}

.ui-pnotify .ui-pnotify-title {
    margin-bottom: 12px;
    font-weight: 620;
    letter-spacing: 0.5px;
    font-size: 16px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.ui-pnotify .ui-pnotify-text {
    font-size: 13px;
    margin-top: -6px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.brighttheme-error {
    background: rgba(133, 29, 44, 0.7) !important;
}

.brighttheme-success {
    background: rgba(52, 129, 59, 0.7) !important;
}

.brighttheme-info {
    background: rgba(27, 93, 159, 0.7) !important;
}

.brighttheme-notice {
    background: rgba(133, 94, 27, 0.7) !important;
}

.short-title {
    display: none;
}

@media (max-width: 768px) {
    .full-title {
        display: none;
    }
    .short-title {
        display: inline;
    }
}