:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    line-height: 1.6;
    color: #333;
    padding-top: 76px; /* ارتفاع نوار ناوبری */
}

/* ناوبری */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding-top: 10px;
    padding-bottom: 10px;
}

/* بخش هیرو */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    margin-top: -76px;
    padding-top: 176px;
}

.hero-section h1 {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease;
}

/* کارت‌ها */
.feature-card {
    border: none;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* دکمه‌ها */
.btn {
    border-radius: 25px;
    padding: 10px 25px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.btn-primary {
    background: linear-gradient(45deg, #3498db, #2980b9);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #2980b9, #3498db);
}

/* بخش دبیران و قبولی‌ها */
.teacher-card, .success-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.teacher-card:hover, .success-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.12);
}

/* مودال */
.modal-content {
    border-radius: 15px;
    border: none;
}

.modal-header {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 15px 15px 0 0 !important;
}

/* فوتر */
footer {
    background: linear-gradient(135deg, #2c3e50, #34495e);
}

.social-icons a {
    transition: all 0.3s ease;
}

.social-icons a:hover {
    transform: translateY(-3px);
    opacity: 0.8;
}

/* رسپانسیو */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 80px 0;
        padding-top: 156px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .feature-card {
        margin-bottom: 20px;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .btn-lg {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
}

/* افکت‌های ویژه */
.pulse-animation {
    animation: pulse 2s infinite;
}

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

@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* لودر */
.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}