/* Modern Features Section Styles */

.section-header-modern {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(30, 144, 255, 0.3);
}

.features-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card-modern {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.feature-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card-modern:hover::before {
    transform: scaleX(1);
}

.feature-card-modern:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(30, 144, 255, 0.15);
    border-color: var(--primary-light);
}

.feature-icon-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
    width: fit-content;
}

.feature-icon-modern {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 8px 25px rgba(30, 144, 255, 0.25);
    transition: all 0.4s ease;
    position: relative;
    z-index: 2;
}

.feature-card-modern:hover .feature-icon-modern {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(30, 144, 255, 0.4);
}

.feature-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(30, 144, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

.feature-card-modern:hover .feature-glow {
    opacity: 1;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
    }
}

.feature-card-modern h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-weight: 700;
}

.feature-card-modern p {
    color: #666;
    line-height: 1.7;
    font-size: 0.95rem;
}

.feature-number {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-color), #FFDA80);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--dark-color);
    box-shadow: 0 4px 10px rgba(255, 209, 102, 0.3);
}

/* Lessons Modern Section */
.lessons-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.lesson-card-modern {
    background: white;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.lesson-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.lesson-card-modern:hover::before {
    transform: scaleX(1);
}

.lesson-card-modern:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 50px rgba(30, 144, 255, 0.2);
}

.lesson-header-modern {
    padding: 2.5rem 2rem 1.5rem;
    background: linear-gradient(135deg, #f8f9ff 0%, #fff 100%);
    position: relative;
}

.lesson-badge-modern {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, var(--secondary-color), #FF9A76);
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(255, 127, 80, 0.3);
}

.lesson-icon-modern {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.lesson-card-modern:hover .lesson-icon-modern {
    transform: scale(1.1) rotate(-5deg);
}

.lesson-card-modern h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.lesson-card-modern > p {
    color: #666;
    line-height: 1.6;
    padding: 0 2rem 1rem;
    font-size: 0.95rem;
}

.lesson-features-modern {
    list-style: none;
    padding: 1.5rem 2rem 2rem;
    border-top: 1px solid #f0f0f0;
}

.lesson-features-modern li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #555;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.lesson-features-modern li:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.lesson-features-modern li i {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: white;
    flex-shrink: 0;
}

/* Featured Lesson Card */
.lesson-card-modern.featured {
    background: linear-gradient(135deg, #1E90FF 0%, #42A5F5 100%);
    color: white;
    transform: scale(1.05);
}

.lesson-card-modern.featured .lesson-header-modern {
    background: rgba(255, 255, 255, 0.15);
}

.lesson-card-modern.featured h3,
.lesson-card-modern.featured > p,
.lesson-card-modern.featured .lesson-features-modern li {
    color: white;
}

.lesson-card-modern.featured .lesson-features-modern {
    border-top-color: rgba(255, 255, 255, 0.2);
}

.lesson-card-modern.featured .lesson-features-modern li i {
    background: rgba(255, 255, 255, 0.3);
}

.lesson-card-modern.featured:hover {
    transform: scale(1.08) translateY(-12px);
}

/* Responsive */
@media (max-width: 768px) {
    .features-grid-modern {
        grid-template-columns: 1fr;
    }

    .lessons-grid-modern {
        grid-template-columns: 1fr;
    }

    .lesson-card-modern.featured {
        transform: scale(1);
    }

    .lesson-card-modern.featured:hover {
        transform: translateY(-12px);
    }
}