/* ===============================================
   RESPONSIVE CSS - Vaibhav Naware Portfolio
   Mobile-First Responsive Design
   =============================================== */

/* ===============================================
   MOBILE FIRST (BASE STYLES)
   =============================================== */

/* Base styles are already mobile-friendly in main.css */

/* ===============================================
   TABLET STYLES (768px and up)
   =============================================== */

@media (min-width: 768px) {
    /* Navigation adjustments for tablet */
    .nav-container {
        padding: 1rem 3rem;
    }
    
    /* Hero section improvements */
    .hero-content {
        padding: 3rem;
    }
    
    .hero-buttons {
        flex-direction: row;
    }
    
    /* About section grid */
    .about-content {
        grid-template-columns: 1fr 2fr;
        gap: 3rem;
    }
    
    /* Skills grid improvements */
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Projects grid */
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Timeline adjustments */
    .timeline-item {
        grid-template-columns: 1fr auto 1fr;
    }
    
    /* Gallery adjustments */
    .gallery-wrapper {
        gap: 1.5rem;
    }
    
    .gallery-nav {
        width: 55px;
        height: 55px;
    }
    
    /* Contact grid */
    .contact-content {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
    
    /* Footer */
    .footer-content {
        flex-direction: row;
    }
}

/* ===============================================
   SMALL LAPTOP/DESKTOP (1024px and up)
   =============================================== */

@media (min-width: 1024px) {
    /* Container adjustments */
    .container {
        padding: 0 3rem;
    }
    
    /* Skills grid full layout */
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Projects full grid */
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Awards responsive */
    .awards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Certifications responsive */
    .certifications-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Media grid */
    .media-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .gallery-nav {
        width: 60px;
        height: 60px;
        font-size: 1.3rem;
    }
    
    .gallery-item {
        flex: 0 0 280px;
    }
    
    .gallery-image {
        height: 280px;
        width: 280px;
    }
    
    /* Testimonials grid */
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===============================================
   LARGE DESKTOP (1200px and up)
   =============================================== */

@media (min-width: 1200px) {
    /* Enhanced spacing */
    :root {
        --section-padding: 6rem 0;
    }
    
    /* Skills enhanced grid */
    .skills-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Gallery enhanced grid */
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===============================================
   MOBILE SPECIFIC STYLES (767px and below)
   =============================================== */

@media (max-width: 767px) {
    /* Variables for mobile */
    :root {
        --section-padding: 2rem 0;
        --container-padding: 0 1rem;
    }
    
    /* Navigation Mobile */
    .nav-container {
        padding: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        border-top: 1px solid var(--border-color);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    /* Hero Mobile */
    .hero {
        min-height: 90vh;
        padding-top: 70px;
    }
    
    .hero-content {
        padding: 1.5rem;
    }
    
    .hero-name {
        font-size: clamp(1.8rem, 8vw, 2.8rem);
    }
    
    .hero-tagline {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .hero-bio {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    /* About Mobile */
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-image {
        order: 2;
    }
    
    .about-text {
        order: 1;
    }
    
    .quick-facts {
        padding: 1.5rem;
    }
    
    .facts-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    /* Skills Mobile */
    .skills {
        padding: 3rem 0;
    }
    
    .skills-content {
        gap: 2rem;
        overflow: visible;
    }
    
    .skills-category {
        margin-bottom: 2rem;
        overflow: visible;
    }
    
    .skills-category h3 {
        font-size: 1.3rem;
        margin-bottom: 1.25rem;
    }
    
    /* Non-scrolling skills grid - mobile (enable horizontal scroll with animation) */
    .skills-grid:not(.skills-scroll) {
        display: flex !important;
        flex-wrap: nowrap;
        gap: 1rem;
        width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding: 0.5rem 0;
        mask-image: linear-gradient(to right, black 95%, transparent);
        -webkit-mask-image: linear-gradient(to right, black 95%, transparent);
    }
    
    .skills-grid:not(.skills-scroll)::-webkit-scrollbar {
        display: none;
    }
    
    .skills-grid:not(.skills-scroll) .skill-item {
        background: var(--background-card);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        text-align: center;
        display: flex !important;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-width: 160px;
        max-width: 160px;
        height: 150px;
        padding: 1.25rem 1rem;
        flex-shrink: 0;
        transition: none;
        cursor: default;
        pointer-events: none;
        user-select: none;
        animation: infinite-scroll-programming 30s linear infinite;
    }
    
    @keyframes infinite-scroll-programming {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-160px * 4 - 1rem * 4));
        }
    }
    
    .skill-item i {
        font-size: 2rem;
        margin-bottom: 0.75rem;
    }
    
    .skill-item span {
        font-size: 0.85rem;
        line-height: 1.3;
        display: block;
    }
    
    /* Projects Mobile */
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card {
        margin-bottom: 1rem;
    }
    
    .project-content {
        padding: 1.5rem;
    }
    
    /* Media Mobile */
    .media-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Awards Mobile */
    .awards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Certifications Mobile */
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Timeline Mobile */
    .achievements-timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        grid-template-columns: auto 1fr;
        gap: 1rem;
        margin-bottom: 2rem;
    }
    
    .timeline-date {
        grid-column: 1;
        grid-row: 1;
        writing-mode: vertical-rl;
        text-orientation: mixed;
        padding: 1rem 0.5rem;
        min-height: 80px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.9rem;
    }
    
    .timeline-content {
        grid-column: 2;
        grid-row: 1;
        text-align: left !important;
        padding: 1.5rem;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        grid-column: 2;
        text-align: left !important;
    }
    
    .timeline-item:nth-child(even) .timeline-date {
        grid-column: 1;
    }
    
    /* Awards Mobile */
    .awards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Certifications Mobile */
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Gallery Mobile */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .gallery-item {
        aspect-ratio: 1/1;
    }
    
    /* Testimonials Mobile */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
    
    /* Contact Mobile */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Footer Mobile */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    /* Scroll to top mobile */
    .scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
    
    /* Typography Mobile */
    h1 { font-size: clamp(1.6rem, 5.5vw, 2.2rem); }
    h2 { font-size: clamp(1.4rem, 4.5vw, 1.8rem); }
    h3 { font-size: clamp(1.1rem, 3.5vw, 1.4rem); }
    h4 { font-size: clamp(1rem, 3vw, 1.2rem); }
    
    /* Button adjustments */
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    /* Section headers */
    .section-header {
        margin-bottom: 1.75rem;
    }
}

/* ===============================================
   SMALL MOBILE (480px and below)
   =============================================== */

@media (max-width: 480px) {
    /* Extra small screens */
    :root {
        --container-padding: 0 0.75rem;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    /* Hero extra small */
    .hero-name {
        font-size: clamp(1.6rem, 10vw, 2.5rem);
    }
    
    .hero-tagline {
        font-size: 0.9rem;
        line-height: 1.4;
    }
    
    .hero-bio {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    
    /* Gallery single column */
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    /* Form adjustments */
    .form-group input,
    .form-group textarea {
        padding: 0.6rem;
    }
    
    /* Card padding reduction */
    .project-content,
    .media-content,
    .testimonial-card,
    .contact-form {
        padding: 1rem;
    }
    
    /* Reduce excessive vertical spacing */
    .about-text p,
    .project-description,
    .timeline-description {
        margin-bottom: 0.75rem;
    }
    
    /* Quick facts single column */
    .facts-grid {
        grid-template-columns: 1fr;
    }
    
    /* Skills single column with smaller padding */
    .skill-item {
        padding: 1rem;
    }
    
    .skill-item i {
        font-size: 2rem;
    }
}

/* ===============================================
   LANDSCAPE MOBILE (HORIZONTAL ORIENTATION)
   =============================================== */

@media (max-width: 767px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
    }
    
    .hero-content {
        padding: 1rem;
    }
    
    .hero-name {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .scroll-indicator {
        bottom: 1rem;
    }
}

/* ===============================================
   HIGH RESOLUTION DISPLAYS
   =============================================== */

@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-content {
        max-width: 900px;
    }
    
    .achievements-timeline {
        max-width: 900px;
    }
}

/* ===============================================
   ACCESSIBILITY & REDUCED MOTION
   =============================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scroll-indicator {
        animation: none;
    }
    
    .hero-background::before {
        animation: none;
    }
}

/* ===============================================
   PRINT STYLES
   =============================================== */

@media print {
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    .navbar,
    .scroll-to-top,
    .hero-buttons,
    .btn {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .section-padding {
        padding: 1rem 0;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}