/* Responsive Design */

/* Large Desktop */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
}

/* Desktop */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-12);
    }
    
    .hero-image {
        order: -1;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-8);
    }
}

/* Tablet */
@media (max-width: 768px) {
    :root {
        --spacing-16: 3rem;
        --spacing-20: 4rem;
    }
    
    .container {
        padding: 0 var(--spacing-4);
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: var(--spacing-6);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero */
    .hero {
        padding-top: calc(var(--spacing-16) + 80px);
        min-height: auto;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-stats {
        justify-content: center;
        gap: var(--spacing-6);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-image-placeholder {
        width: 250px;
        height: 250px;
    }
    
    /* Section Headers */
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    /* Skills */
    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .skill-category {
        padding: var(--spacing-6);
    }
    
    .certifications-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-4);
    }
    
    /* Projects */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .project-results {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
    }
    
    /* Blog */
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .newsletter-signup {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    /* Experience */
    .experience-card {
        padding: var(--spacing-6);
    }
    
    .experience-header {
        flex-direction: column;
        gap: var(--spacing-3);
        align-items: flex-start;
    }
    
    .company-info {
        width: 100%;
    }
    
    .company-logo {
        width: 50px;
        height: 35px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
        text-align: center;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    /* Typography */
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    /* Buttons */
    .btn-large {
        padding: var(--spacing-3) var(--spacing-6);
        font-size: var(--font-size-sm);
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Stats */
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .stat {
        padding: var(--spacing-3);
        background-color: var(--white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
    }
    
    /* Cards */
    .experience-card,
    .project-card,
    .skill-category {
        padding: var(--spacing-4);
    }
    
    .company-info {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-3);
    }
    
    .company-logo {
        width: 80px;
        height: 50px;
    }
    
    /* Tech Stack */
    .tech-stack {
        gap: var(--spacing-1);
    }
    
    .tech-tag {
        font-size: 0.7rem;
        padding: var(--spacing-1) var(--spacing-2);
    }
    
    /* Form */
    .contact-form {
        padding: var(--spacing-6);
    }
    
    /* Hero Image */
    .hero-image-placeholder {
        width: 200px;
        height: 200px;
    }
    
    /* Certifications */
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-card {
        padding: var(--spacing-4);
    }
    
    .cert-icon {
        width: 50px;
        height: 50px;
    }
}

/* Extra Small Mobile */
@media (max-width: 320px) {
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .hero-image-placeholder {
        width: 150px;
        height: 150px;
    }
    
    .hero-image-container {
        width: 150px;
        height: 150px;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
    }
    
    .btn {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: var(--font-size-xs);
    }
    
    .btn-large {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-sm);
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .nav-toggle,
    .btn,
    .contact-form {
        display: none !important;
    }
    
    .hero {
        padding-top: var(--spacing-8);
        min-height: auto;
    }
    
    section {
        padding: var(--spacing-8) 0;
        break-inside: avoid;
    }
    
    .experience-card,
    .project-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --gray-600: #000000;
        --gray-700: #000000;
        --gray-800: #000000;
        --gray-900: #000000;
    }
    
    .btn-outline {
        border-width: 3px;
    }
    
    .nav-link.active::after {
        height: 3px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #111827;
        --gray-50: #1f2937;
        --gray-100: #374151;
        --gray-200: #4b5563;
        --gray-300: #6b7280;
        --gray-400: #9ca3af;
        --gray-500: #d1d5db;
        --gray-600: #e5e7eb;
        --gray-700: #f3f4f6;
        --gray-800: #f9fafb;
        --gray-900: #ffffff;
    }
    
    .header {
        background-color: rgba(17, 24, 39, 0.95);
    }
    
    .hero {
        background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    }
}