/* Responsive Design Styles */

/* Large screens - vertical tabs layout (grid override removed) */
@media screen and (min-width: 1025px) {
    /* Grid columns no longer needed - using vertical tabs */
}

/* Desktop overrides - dark theme with vertical tabs */
@media screen and (min-width: 769px) {
    /* Services: Dark theme with vertical tabs */
    .services {
        background: var(--dark-bg);
    }

    .services::before {
        display: block;
    }

    .services .section-title,
    .services .section-subtitle {
        color: var(--text-on-dark);
    }

    .services .section-subtitle {
        color: var(--text-on-dark-muted);
    }

    /* Skills: Dark theme with vertical tabs */
    .skills {
        background: var(--dark-bg);
    }

    .skills .section-title {
        color: var(--text-on-dark);
    }

    .skill-tags {
        display: flex;
        flex-wrap: wrap;
        overflow: visible;
    }

    /* Achievements: Normal line spacing on desktop */
    .achievements li {
        line-height: 1.6;
    }
}

/* Tablet Landscape (1024px) */
@media screen and (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .services-grid,
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 4rem;
    }
}

/* Tablet Portrait (768px) */
@media screen and (max-width: 768px) {
    /* Override navbar height for mobile - more compact */
    :root {
        --navbar-height: 60px;
    }
    
    /* Section spacing adjustment for mobile */
    section {
        padding: var(--spacing-2xl) var(--spacing-sm);
    }
    
    /* Navigation */
    .nav-content {
        padding: var(--spacing-sm) 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
        padding: var(--spacing-sm);
        margin: 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--dark-bg);
        flex-direction: column;
        padding: calc(var(--navbar-height) + var(--spacing-lg)) var(--spacing-lg) var(--spacing-lg);
        box-shadow: -4px 0 30px rgba(0, 0, 0, 0.5);
        border-left: 1px solid rgba(255, 107, 53, 0.2);
        transition: right 0.3s ease;
        z-index: 999;
        gap: 0;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu a {
        font-family: var(--font-display);
        font-size: 1.1rem;
        padding: var(--spacing-md) var(--spacing-lg);
        display: block;
        color: var(--text-on-dark-muted);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-menu a:hover {
        color: var(--color-orange);
        background: rgba(255, 107, 53, 0.05);
    }
    
    /* Toggle animation */
    .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 - full screen like desktop */
    .hero {
        min-height: 100vh;
        padding-top: calc(var(--navbar-height) + var(--spacing-2xl));
        padding-bottom: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: 3rem;
        margin-bottom: var(--spacing-xl);
    }

    /* Scale hero bands to match smaller title */
    .hero-band {
        width: 18px;
        height: 100px;
    }

    .hero-resistor {
        gap: 12px;
    }

    .hero-band-4 {
        margin-left: 10px;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-tagline {
        font-size: 1rem;
    }
    
    /* ========================================
       SERVICES: Horizontal Carousel - Terminal Punk
       ======================================== */

    /* Dark terminal section on mobile - edge to edge */
    .services {
        background: var(--dark-bg);
        position: relative;
        padding-left: 0;
        padding-right: 0;
        padding-bottom: var(--spacing-lg);
        overflow-x: clip;
        overflow-y: visible;
    }

    .services .container {
        padding: 0;
        max-width: 100%;
    }

    .services .section-title,
    .services .section-subtitle {
        color: var(--text-on-dark);
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
        position: relative;
        z-index: 0;
    }

    .services .section-subtitle {
        color: var(--text-on-dark-muted);
    }

    /* Ensure carousel grid creates proper stacking context */
    .services-grid {
        position: relative;
        z-index: 1;
    }

    /* Status header - terminal aesthetic */
    .services::before {
        content: 'SYSTEM.STATUS: ONLINE';
        display: block;
        font-family: var(--font-mono);
        font-size: 0.65rem;
        color: var(--terminal-green);
        text-transform: uppercase;
        letter-spacing: 2px;
        text-align: center;
        padding: var(--spacing-sm) 0;
        margin-bottom: var(--spacing-md);
        border-bottom: 1px solid rgba(0, 255, 65, 0.2);
    }

    /* Carousel container - show peek of next card */
    .services-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scroll-behavior: smooth;
        gap: var(--spacing-sm);
        padding: 0 var(--spacing-md);
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .services-grid::-webkit-scrollbar {
        display: none;
    }

    /* Carousel cards - show peek of next card */
    .service-card {
        flex: 0 0 calc(100% - 48px);
        scroll-snap-align: center;
        background: var(--dark-surface);
        border: 1px solid rgba(255, 107, 53, 0.3);
        border-radius: var(--radius-md);
        padding: 0;
        box-sizing: border-box;
        overflow: hidden;
        position: relative;
        z-index: 1;
    }

    /* Glow effect on mobile touch - no lift to avoid clipping */
    .service-card:hover,
    .service-card:active {
        transform: none !important;
        border-color: rgba(255, 107, 53, 0.6) !important;
        box-shadow:
            0 0 20px rgba(255, 107, 53, 0.4),
            0 0 40px rgba(255, 107, 53, 0.2),
            inset 0 0 20px rgba(255, 107, 53, 0.05) !important;
    }

    /* Hide desktop terminal decorations on mobile */
    .service-card::before,
    .service-card::after {
        display: none;
    }

    /* Terminal-style card header */
    .card-header {
        display: flex;
        align-items: center;
        padding: var(--spacing-sm) var(--spacing-md);
        background: linear-gradient(180deg,
            rgba(255, 107, 53, 0.15) 0%,
            rgba(255, 107, 53, 0.05) 100%);
        border-bottom: 1px solid rgba(255, 107, 53, 0.2);
        margin-bottom: var(--spacing-xs);
    }

    .card-title {
        font-family: var(--font-mono);
        font-size: 0.7rem;
        color: var(--terminal-green);
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .card-title::before {
        content: '> ';
        color: var(--color-orange);
    }

    /* Hide empty icon container */
    .service-card .service-icon:empty {
        display: none;
    }

    .service-card p {
        margin: var(--spacing-md) 0;
        padding: 0 var(--spacing-md);
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .service-card .service-details {
        background: transparent;
        border-top: 1px solid rgba(255, 107, 53, 0.2);
        padding: var(--spacing-md) var(--spacing-md);
        margin-top: var(--spacing-sm);
    }

    .service-card .service-details li {
        font-size: 0.85rem;
        padding: 6px 0;
        padding-left: var(--spacing-md);
    }

    /* Card text colors for dark background */
    .service-card h3 {
        display: none; /* Title shown in header bar instead */
    }

    .service-card p {
        color: var(--text-on-dark-muted);
    }

    .service-card .service-details li {
        color: var(--terminal-green);
    }

    /* ========================================
       SKILLS: Dark Terminal Theme on Mobile
       ======================================== */
    .skills {
        background: var(--dark-bg);
        padding-left: 0;
        padding-right: 0;
    }

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

    .skills .section-title {
        color: var(--text-on-dark);
    }

    .skills-grid {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        max-width: 100%;
    }

    /* ========================================
       SKILLS: Collapsible Accordion
       ======================================== */

    .skill-category {
        background: var(--dark-surface);
        border-radius: var(--radius-md);
        padding: 0;
        border: 1px solid rgba(255, 107, 53, 0.2);
        overflow: visible;
    }

    /* Category header - clickable to expand/collapse */
    .skill-category h3 {
        font-family: var(--font-mono);
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 1px;
        color: var(--terminal-green);
        background: linear-gradient(180deg,
            rgba(255, 107, 53, 0.15) 0%,
            rgba(255, 107, 53, 0.05) 100%);
        padding: var(--spacing-md);
        margin: 0;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid rgba(255, 107, 53, 0.2);
    }

    .skill-category h3::before {
        content: '> ';
        color: var(--color-orange);
    }

    .skill-category h3::after {
        content: '▼';
        font-size: 0.6rem;
        color: var(--color-orange);
        transition: transform 0.3s ease;
    }

    /* Collapsed state */
    .skill-category.collapsed h3::after {
        transform: rotate(-90deg);
    }

    .skill-category.collapsed .skill-tags {
        display: none;
    }

    .skill-tags {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
        overflow: visible;
        position: relative;
    }

    .skill-tag {
        flex-shrink: 0;
        white-space: nowrap;
        position: relative;
    }

    /* Skill bubble positioning fix for mobile - positioned above tag with proper wrapping */
    .skill-bubble {
        position: absolute;
        bottom: calc(100% + 12px);
        left: 50%;
        right: auto !important;
        transform: translateX(-50%) scale(0);
        width: max-content;
        max-width: min(280px, calc(100vw - 32px));
        min-width: 200px;
        z-index: 1000;
        font-size: 0.8rem;
        padding: var(--spacing-sm) var(--spacing-md);
        white-space: normal !important;
        word-wrap: break-word;
        overflow-wrap: break-word;
        text-align: left;
        line-height: 1.4;
    }

    .skill-tag.bubble-active .skill-bubble {
        transform: translateX(-50%) scale(1);
    }

    /* Ensure bubble doesn't go off left edge */
    .skill-tags > .skill-tag:first-child .skill-bubble,
    .skill-tags > .skill-tag:nth-child(2) .skill-bubble {
        left: 0;
        transform: translateX(0) scale(0);
    }

    .skill-tags > .skill-tag:first-child.bubble-active .skill-bubble,
    .skill-tags > .skill-tag:nth-child(2).bubble-active .skill-bubble {
        transform: translateX(0) scale(1);
    }

    /* Ensure bubble doesn't go off right edge - last items in row */
    .skill-tags > .skill-tag:last-child .skill-bubble {
        left: auto;
        right: 0;
        transform: translateX(0) scale(0);
    }

    .skill-tags > .skill-tag:last-child.bubble-active .skill-bubble {
        transform: translateX(0) scale(1);
    }

    /* Hide the arrow pointer on mobile for cleaner look */
    .skill-bubble::after {
        display: none !important;
    }
    
    /* Contact */
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        width: 100%;
    }
    
    .form-group {
        width: 100%;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        box-sizing: border-box;
    }
    
    .contact-form-container {
        padding: var(--spacing-lg);
        width: 100%;
        box-sizing: border-box;
    }
    
    .contact-form {
        width: 100%;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-link {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    /* Terminal */
    .terminal-body {
        font-size: 0.8rem;
        padding: var(--spacing-md);
        height: 380px;  /* Slightly smaller for tablets */
    }
    
    
    .section-title {
        font-size: 2rem;
    }
}

/* Mobile (480px) */
@media screen and (max-width: 480px) {
    /* Further reduce section padding on very small screens */
    section {
        padding: var(--spacing-xl) var(--spacing-sm);
    }
    
    /* Typography - Progressive scale */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
    
    p {
        font-size: 1rem;
    }
    
    /* Hero */
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-band {
        width: 12px;
        height: 80px;
        margin-right: 12px;
    }
    
    .hero-band-4 {
        margin-left: 8px;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-tagline {
        font-size: 0.9rem;
        padding: 0 var(--spacing-md);
    }

    /* Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.9rem;
    }
    
    /* About */
    .about-text p {
        font-size: 1rem;
    }
    
    /* Services */
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .service-icon {
        font-size: 2.5rem;
    }
    
    /* Experience */
    .timeline-marker {
        width: 12px;
        height: 12px;
        box-shadow: 0 0 0 3px var(--light-bg-alt), 0 0 0 5px var(--color-orange), 0 0 15px var(--color-orange-glow);
        position: relative;
        display: block;
        margin: 0 auto var(--spacing-md);
        left: auto;
        top: auto;
    }

    .timeline-item {
        padding-left: 0;
        text-align: center;
    }

    .timeline-item::before {
        display: none;
    }

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

    .timeline-content h3 {
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }

    /* Achievements - tighter spacing */
    .achievements {
        max-width: 100%;
    }

    .achievements li {
        font-size: 0.85rem;
        padding-left: var(--spacing-lg);
        padding-top: var(--spacing-xs);
        padding-bottom: var(--spacing-xs);
        margin-bottom: var(--spacing-xs);
        position: relative;
        line-height: 1.35;
    }

    .achievements li::before {
        content: '✓';
        position: absolute;
        left: 0;
        top: var(--spacing-xs);
        color: var(--terminal-green);
        font-weight: bold;
        font-size: 0.75rem;
    }
    
    /* Skills */
    .skill-tag {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    /* Philosophy */
    .philosophy-quote {
        padding: var(--spacing-lg);
    }
    
    .philosophy-quote p {
        font-size: 1rem;
    }
    
    .principles li {
        font-size: 1rem;
    }
    
    /* Contact */
    .contact-content p {
        font-size: 1rem;
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-lg) 0;
    }
    
    .footer p {
        font-size: 0.9rem;
    }
    
    .footer-quote {
        font-size: 0.8rem;
    }
    
    /* Resistor Logo - taller to match hamburger menu */
    .resistor {
        height: 28px;
        gap: 3px;
    }

    .band {
        width: 5px;
        margin-right: 0;
    }

    .band-4 {
        margin-left: 3px;
    }
}

/* Small Mobile (320px) */
@media screen and (max-width: 320px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
    .section-title { font-size: 1.5rem; }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    .terminal-body {
        font-size: 0.7rem;
        height: 300px;  /* Smaller fixed height for tiny screens */
    }
}

/* Landscape orientation adjustments */
@media screen and (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-tagline {
        margin-bottom: var(--spacing-lg);
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
}

/* Print styles */
@media print {
    /* Hide navigation and interactive elements */
    .navbar,
    .nav-toggle,
    .terminal-section,
    .easter-egg {
        display: none !important;
    }
    
    /* Adjust colors for print */
    body {
        color: #000;
        background: #fff;
    }
    
    .hero {
        background: none;
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-title {
        -webkit-text-fill-color: #000;
        background: none;
    }
    
    /* Ensure links are visible */
    a {
        color: #000;
        text-decoration: underline;
    }
    
    /* Page breaks */
    section {
        page-break-inside: avoid;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: 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;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --dark-bg: #000000;
        --light-bg: #ffffff;
        --text-on-dark: #ffffff;
        --text-on-light: #000000;
        --color-orange: #ff4400;
    }

    .btn-primary {
        background: var(--color-orange);
        border: 3px solid #fff;
    }

    .service-card,
    .timeline-content,
    .philosophy-quote,
    .skill-category {
        border: 2px solid currentColor;
    }

    .hero-band,
    .band {
        border: 1px solid #fff;
    }
}