Base responsive styles for all devices

/* General responsive adjustments */
* {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

/* Extra Large Devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* Large Devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199px) {
    .container {
        max-width: 960px;
    }
    
    .hero-content {
        gap: 40px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991px) {
    .container {
        max-width: 720px;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-image {
        margin-top: 40px;
        margin-left: auto;
        margin-right: auto;
        max-width: 400px;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 30px;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .contact-info {
        width: 100%;
        margin-bottom: 40px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

/* Small Devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767px) {
    .container {
        max-width: 540px;
    }
    
    .header-container {
        padding: 15px 10px;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
        padding: 60px 0;
    }
    
    .hero-image {
        margin-top: 40px;
        margin-left: auto;
        margin-right: auto;
        max-width: 300px;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 30px;
        max-width: 250px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .project-card {
        max-width: 450px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .contact-info {
        width: 100%;
        margin-bottom: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Extra Small Devices (phones, less than 576px) */
@media (max-width: 575px) {
    .container {
        padding-right: 10px;
        padding-left: 10px;
    }
    
    .header-container {
        padding: 12px 10px;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
        padding: 40px 0;
    }
    
    .hero-image {
        margin-top: 30px;
        margin-left: auto;
        margin-right: auto;
        max-width: 250px;
    }
    
    .hero-text h1 {
        font-size: 1.8rem;
    }
    
    .hero-text p {
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 30px;
        max-width: 200px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .project-card {
        max-width: 100%;
    }
    
    .project-content h3 {
        font-size: 1.3rem;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .contact-info {
        width: 100%;
        margin-bottom: 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-column h3 {
        font-size: 1.3rem;
    }
    
    .back-to-top {
        right: 15px;
        bottom: 15px;
        width: 35px;
        height: 35px;
    }
}

/* Navigation bar responsive styles */
@media (max-width: 768px) {
    .navbar {
        padding: 15px 10px;
        justify-content: center;
    }
    
    .nav-item {
        padding: 8px 10px;
    }
    
    .nav-item i {
        font-size: 1rem;
    }
    
    .nav-item span {
        font-size: 0.7rem;
    }
}

/* Navbar specific responsive updates */
@media (max-width: 576px) {
    .navbar {
        padding: 10px 5px;
    }
    
    .nav-item {
        padding: 8px 5px;
    }
    
    .nav-item span {
        display: none;
    }
    
    .nav-item i {
        font-size: 1.2rem;
    }
    
    .nav-tooltip {
        display: block;
    }
}

/* Mobile menu toggle button */
.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .navbar-container {
        position: relative;
    }
    
    .navbar {
        width: 100%;
        overflow-x: auto;
        white-space: nowrap;
        scrollbar-width: none; /* Firefox */
    }
    
    .navbar::-webkit-scrollbar {
        display: none; /* Chrome, Safari, Opera */
    }
}

/* Project card responsiveness */
@media (hover: none) {
    .project-card:hover .project-content {
        transform: none;
    }
    
    .project-content {
        opacity: 1;
    }
}

/* Fix for skill bars on small screens */
@media (max-width: 480px) {
    .skill-info {
        font-size: 0.8rem;
    }
    
    .progress-line {
        height: 8px;
    }
}

/* Fix for buttons on small screens */
@media (max-width: 400px) {
    .btn {
        padding: 10px 15px;
        font-size: 0.9rem;
        margin: 5px;
        display: block;
        text-align: center;
    }
}

/* Loading overlay responsiveness */
@media (max-width: 480px) {
    .loading-bar-container {
        width: 80%;
    }
    
    .loading-text {
        font-size: 1rem;
    }
}