body {
    font-family: 'Poppins', sans-serif;
    overflow-x: hidden;
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: #3b82f6;
}

.timeline-item {
    position: relative;
    padding-left: 30px;
    margin-bottom: 30px;
}

.timeline-item:before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #3b82f6;
}

.timeline-item:after {
    content: '';
    position: absolute;
    left: 5px;
    top: 20px;
    width: 2px;
    height: calc(100% + 10px);
    background-color: #e5e7eb;
}

.timeline-item:last-child:after {
    display: none;
}

/* Smooth transitions */
* {
    transition: all 0.3s ease;
}

/* Skill card hover effect */
.skill-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Experience item hover effect */
.experience-item {
    transition: all 0.3s ease;
    border-radius: 0.5rem;
}

.experience-item:hover {
    background-color: #f9fafb;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

/* Header animation on scroll */
#header {
    transition: all 0.3s ease;
}

#header.scrolled {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Mobile menu animation */
#mobile-menu {
    transition: all 0.3s ease;
}

/* Button pulse animation */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.btn-pulse:hover {
    animation: pulse 1s infinite;
}

/* Loading animation for page */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

body {
    animation: fadeIn 0.5s ease-in;
}