/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    padding-top: 56px; /* For fixed navbar */
}

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

.navbar-brand {
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    margin: 0 5px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: #0d6efd !important;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-section h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-section .lead {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.profile-image-wrapper {
    position: relative;
    display: inline-block;
}

.profile-image {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border: 8px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.05);
    border-color: rgba(255,255,255,0.4);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #0d6efd;
    border-radius: 2px;
}

/* Card Styles */
.card {
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 15px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1) !important;
}

.card-title {
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Skill Badges */
.skill-badge {
    transition: all 0.3s ease;
    cursor: pointer;
}

.skill-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: 4px;
}

.progress-bar {
    border-radius: 4px;
    transition: width 1.5s ease;
}

/* Education Icons */
.education-icon i {
    transition: transform 0.3s ease;
}

.card:hover .education-icon i {
    transform: scale(1.1);
}

/* Contact Form */
.contact-form .form-control {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    padding: 12px 15px;
    margin-bottom: 20px;
    border-radius: 8px;
}

.contact-form .form-control:focus {
    background: rgba(255,255,255,0.15);
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    color: white;
}

.contact-form .form-control::placeholder {
    color: rgba(255,255,255,0.7);
}

/* Buttons */
.btn {
    padding: 10px 25px;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-lg {
    padding: 12px 30px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Social Links */
.social-links a {
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
}

/* Footer */
footer {
    background: #000 !important;
}

/* Back to Top Button */
#backToTop {
    width: 50px;
    height: 50px;
    z-index: 1000;
    opacity: 0.8;
    transition: all 0.3s ease;
}

#backToTop:hover {
    opacity: 1;
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section h2 {
        font-size: 1.5rem;
    }
    
    .profile-image {
        width: 250px;
        height: 250px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .profile-image {
        width: 200px;
        height: 200px;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .d-flex.gap-3 {
        flex-direction: column;
    }
}