/* Responsive Design - Media Queries */

/* Large Tablets and Small Laptops (max-width: 1024px) */
@media screen and (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: row;
        justify-content: center;
    }

    .stat-card {
        flex: 1;
        min-width: 150px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: var(--font-size-4xl);
    }

    h2 {
        font-size: var(--font-size-3xl);
    }
}

/* Tablets (max-width: 768px) */
@media screen and (max-width: 768px) {
    /* Navigation */
    nav {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .nav-links {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 70%;
        max-width: 300px;
        transform: translateX(100%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-2xl);
        z-index: var(--z-modal);
        gap: var(--spacing-lg);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .burger {
        display: flex;
        z-index: calc(var(--z-modal) + 1);
    }

    .burger.active .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .burger.active .line2 {
        opacity: 0;
    }

    .burger.active .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    /* Hero Section */
    .hero {
        min-height: 90vh;
        padding: var(--spacing-3xl) var(--spacing-lg);
    }

    .hero h1 {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .hero-description {
        font-size: var(--font-size-base);
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    /* Sections */
    .about,
    .skills,
    .projects,
    .experience,
    .contact {
        padding: var(--spacing-3xl) var(--spacing-md);
    }

    /* Skills */
    .skills-grid {
        grid-template-columns: 1fr;
    }

    /* Projects */
    .project-grid {
        grid-template-columns: 1fr;
    }

    /* Timeline */
    .timeline {
        padding-left: var(--spacing-xl);
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-marker {
        left: -22px;
        width: 12px;
        height: 12px;
    }

    /* About Stats */
    .about-stats {
        flex-direction: column;
    }

    .stat-card {
        width: 100%;
    }

    /* Typography */
    h1 {
        font-size: var(--font-size-3xl);
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

    h3 {
        font-size: var(--font-size-xl);
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

/* Mobile Phones (max-width: 480px) */
@media screen and (max-width: 480px) {
    /* Typography */
    html {
        font-size: 14px;
    }

    h1 {
        font-size: var(--font-size-2xl);
    }

    h2 {
        font-size: var(--font-size-xl);
    }

    h3 {
        font-size: var(--font-size-lg);
    }

    /* Navigation */
    nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .logo {
        font-size: var(--font-size-xl);
    }

    .nav-links {
        width: 85%;
    }

    /* Hero */
    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .hero::before {
        width: 400px;
        height: 400px;
    }

    .social-links a {
        width: 40px;
        height: 40px;
    }

    /* Sections */
    .about,
    .skills,
    .projects,
    .experience,
    .contact {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    /* About Stats */
    .about-stats {
        gap: var(--spacing-md);
    }

    .stat-card {
        padding: var(--spacing-lg);
    }

    .stat-card h3 {
        font-size: var(--font-size-3xl);
    }

    /* Skills */
    .skill-category {
        padding: var(--spacing-lg);
    }

    .skill-tag {
        font-size: var(--font-size-xs);
        padding: 6px 12px;
    }

    /* Projects */
    .project-content {
        padding: var(--spacing-lg);
    }

    .project-image {
        height: 150px;
    }

    .project-icon {
        font-size: var(--font-size-4xl);
    }

    .tech-tag {
        font-size: 0.7rem;
        padding: 4px 10px;
    }

    /* Timeline */
    .timeline {
        padding-left: var(--spacing-lg);
    }

    .timeline-content {
        padding: var(--spacing-lg);
    }

    /* Contact */
    .contact-info p {
        font-size: var(--font-size-base);
    }

    .contact-form {
        padding: var(--spacing-lg);
    }

    .form-group input,
    .form-group textarea {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

    /* Footer */
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* Very Small Phones (max-width: 360px) */
@media screen and (max-width: 360px) {
    html {
        font-size: 13px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-buttons {
        gap: var(--spacing-sm);
    }

    .project-grid {
        gap: var(--spacing-md);
    }

    .skills-grid {
        gap: var(--spacing-md);
    }
}

/* Landscape Mode for Mobile */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .nav-links {
        flex-direction: row;
        height: auto;
        padding: var(--spacing-lg);
        flex-wrap: wrap;
    }
}

/* High Resolution Displays */
@media screen and (min-width: 1440px) {
    .container {
        max-width: var(--container-2xl);
    }

    .hero h1 {
        font-size: 4rem;
    }

    .project-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Print Styles */
@media print {
    header,
    .burger,
    .social-links,
    .hero-buttons,
    footer {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .hero,
    .about,
    .skills,
    .projects,
    .experience,
    .contact {
        padding: var(--spacing-lg) 0;
        page-break-inside: avoid;
    }

    .project-card,
    .skill-category,
    .timeline-item {
        page-break-inside: avoid;
    }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero::before {
        animation: none;
    }
}

/* Dark Mode Support (Future Enhancement) */
@media (prefers-color-scheme: dark) {
    /* Can be implemented later for dark mode support */
}