/* Comprehensive Mobile Optimizations */

/* Mobile breakpoint optimizations */
@media (max-width: 768px) {
    /* Header mobile optimizations */
    .header-content {
        padding: 12px 20px;
        flex-direction: row;
        gap: 15px;
        justify-content: space-between;
        align-items: center;
    }

    .logo-section {
        flex-direction: row;
        gap: 8px;
        align-items: center;
    }

    .logo {
        font-size: 1.3rem;
    }

    .logo-subtitle {
        font-size: 0.55rem;
        letter-spacing: 0.5px;
    }

    .nav-menu {
        gap: 8px;
        flex-direction: row;
        justify-content: flex-end;
        background: transparent;
        border-radius: 0;
        padding: 0;
        border: none;
        backdrop-filter: none;
    }

    .nav-item {
        font-size: 0;
        padding: 8px;
        background: var(--bg-surface);
        border-radius: 8px;
        border: 1px solid var(--border-primary);
        min-height: 40px;
        min-width: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        transition: all 0.3s ease;
    }

    /* Navigation icons */
    .nav-item::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 18px;
        height: 18px;
        background-size: contain;
        background-repeat: no-repeat;
        background-position: center;
        opacity: 0.8;
    }

    .nav-item[href="#philosophy"]::before {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9.663 17h4.673M12 3v1m6.364 1.636l-.707.707M21 12h-1M4 12H3m3.343-5.657l-.707-.707m2.828 9.9a5 5 0 117.072 0l-.548.547A3.374 3.374 0 0014 18.469V19a2 2 0 11-4 0v-.531c0-.895-.356-1.754-.988-2.386l-.548-.547z'/%3E%3C/svg%3E");
    }

    .nav-item[href="#sectors"]::before {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10'/%3E%3C/svg%3E");
    }

    .nav-item[href="#portfolio"]::before {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10'/%3E%3C/svg%3E");
    }

    .nav-item[href="#contact"]::before {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M3 8l7.89 4.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z'/%3E%3C/svg%3E");
    }

    .nav-item:hover {
        background: var(--bg-surface-hover);
        transform: none;
        border-color: var(--neon-cyan);
    }

    .nav-item:hover::before {
        opacity: 1;
    }

    /* Active/focus states for better visibility */
    .nav-item:focus::before,
    .nav-item:focus-visible::before {
        opacity: 1;
    }

    /* Light mode - make icons black */
    .light-theme .nav-item::before,
    html[data-theme="light"] .nav-item::before,
    body.light-theme .nav-item::before {
        filter: brightness(0) saturate(100%) invert(0%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(0%) contrast(100%);
    }

    /* Dark mode - keep icons white */
    .dark-theme .nav-item::before,
    html[data-theme="dark"] .nav-item::before,
    body.dark-theme .nav-item::before {
        filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
    }

    /* Default dark mode (since the page starts in dark mode) */
    .nav-item::before {
        filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
    }

    /* Theme toggle mobile optimization */
    .theme-toggle {
        min-height: 40px;
        min-width: 40px;
        padding: 8px;
    }

    /* Hero section mobile optimizations - increased top padding to avoid header overlap */
    .hero {
        min-height: 100vh;
        padding: 120px 0 40px 0; /* Increased top padding from 80px to 120px */
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 0; /* Ensure no additional margin */
    }

    .hero-content {
        padding: 0 20px;
        text-align: center;
        max-width: 100%;
    }

    .hero-subtitle {
        font-size: 0.75rem;
        letter-spacing: 2px;
        margin-bottom: 15px;
        text-shadow: 0 0 8px rgba(255, 69, 0, 0.8);
    }

    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
        line-height: 0.95;
        margin-bottom: 25px;
        word-spacing: -2px;
        text-shadow: 0 0 15px rgba(0, 245, 255, 0.6);
        animation: gradientFlow 20s ease-in-out infinite;
    }

    .hero-description {
        font-size: 1rem;
        line-height: 1.5;
        margin-bottom: 40px;
        max-width: 100%;
        padding: 0 10px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 20px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .cta-primary, .cta-secondary {
        width: 100%;
        padding: 18px 30px;
        font-size: 0.85rem;
        text-align: center;
        justify-content: center;
        clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
        min-height: 44px;
        min-width: 44px;
        position: relative;
        overflow: hidden;
    }

    .cta-primary::before,
    .cta-secondary::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        transition: left 0.5s ease;
    }

    .cta-primary:active::before,
    .cta-secondary:active::before {
        left: 100%;
    }

    .cta-secondary {
        border-width: 2px;
        background: rgba(0, 245, 255, 0.05);
    }

    /* Tech elements mobile optimization */
    .tech-elements {
        display: none; /* Hide on mobile for better performance */
    }

    /* Sectors mobile optimizations */
    .sectors {
        padding: 80px 20px;
    }

    .sectors-header {
        margin-bottom: 60px;
    }

    .section-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .sectors-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-top: 60px;
        scroll-margin-top: 100px;
    }

    .sector-card {
        padding: 25px;
        clip-path: polygon(15px 0, 100% 0, calc(100% - 15px) 100%, 0 100%);
        margin: 0 5px;
        border-radius: 8px;
        transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
    }

    .sector-metrics {
        gap: 15px;
    }

    .metric-value {
        font-size: 1rem;
    }

    /* Philosophy mobile optimizations */
    .philosophy {
        padding: 80px 20px;
    }

    .philosophy-header {
        margin-bottom: 60px;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-top: 50px;
        scroll-margin-top: 100px;
    }

    .philosophy-card {
        padding: 25px;
        clip-path: polygon(15px 0, 100% 0, calc(100% - 15px) 100%, 0 100%);
        margin: 0 5px;
        border-radius: 8px;
        transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
    }

    /* Portfolio mobile optimizations */
    .portfolio {
        padding: 80px 20px;
    }
    
    .portfolio-showcase {
        margin: 50px 0;
        padding: 25px 0;
        border-radius: 15px;
        overflow: hidden;
    }
    
    .portfolio-track {
        animation-duration: 25s;
    }
    
    .portfolio-item {
        min-width: 140px;
        margin: 0 15px;
        padding: 12px;
        border-radius: 8px;
        transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
    }
    
    .portfolio-logo {
        width: 80px;
        height: 50px;
        margin-bottom: 15px;
    }
    
    .portfolio-info h3 {
        font-size: 0.9rem;
    }
    
    .portfolio-info p {
        font-size: 0.65rem;
    }
    
    .portfolio-stats {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-top: 50px;
        scroll-margin-top: 100px;
    }
    
    .stat-item {
        padding: 20px;
        transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
    }

    .stat-number {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    /* Contact mobile optimizations */
    .contact {
        padding: 80px 20px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-container {
        padding: 25px;
        clip-path: polygon(15px 0, 100% 0, calc(100% - 15px) 100%, 0 100%);
    }
    
    .contact-card {
        padding: 25px;
        clip-path: polygon(15px 0, 100% 0, calc(100% - 15px) 100%, 0 100%);
        margin: 0 5px;
        border-radius: 8px;
        transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px;
        font-size: 16px; /* Prevent zoom on iOS */
        clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        transform: scale(1.02);
        border-width: 2px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 50px 20px 25px;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        padding: 0 20px;
        gap: 15px;
    }
    
    .footer-bottom-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 20px;
    }

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

    /* Mobile-specific performance optimizations */
    .mars-particles {
        display: none; /* Hide particles on mobile for better performance */
    }

    .neural-bg {
        opacity: 0.2; /* Reduce neural background intensity on mobile */
        filter: blur(2px);
    }

    .glitch-overlay {
        animation: scanlines 1s linear infinite; /* Slower scanlines on mobile */
        opacity: 0.3;
    }

    /* Reduce backdrop-filter complexity on mobile */
    header,
    .sector-card,
    .philosophy-card,
    .portfolio-item,
    .contact-card,
    .stat-item,
    .contact-form-container {
        backdrop-filter: blur(8px) saturate(110%);
        -webkit-backdrop-filter: blur(8px) saturate(110%);
    }

    /* Optimize shadows for mobile */
    .sector-card:hover,
    .philosophy-card:hover,
    .portfolio-item:hover,
    .contact-card:hover,
    .stat-item:hover {
        transform: translateY(-2px) translateZ(0);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1), 0 0 10px rgba(0, 245, 255, 0.05);
    }

    /* Mobile accessibility improvements */
    .nav-item:focus,
    .cta-primary:focus,
    .cta-secondary:focus,
    .theme-toggle:focus {
        outline: 2px solid var(--neon-cyan);
        outline-offset: 2px;
    }

    .nav-item:focus-visible,
    .cta-primary:focus-visible,
    .cta-secondary:focus-visible,
    .theme-toggle:focus-visible {
        outline: 3px solid var(--neon-cyan);
        outline-offset: 3px;
        border-radius: 6px;
    }

    /* Mobile loading states */
    .cta-primary:active,
    .cta-secondary:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .header-content {
        padding: 10px 15px;
        gap: 12px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo-subtitle {
        font-size: 0.5rem;
    }

    .nav-menu {
        gap: 6px;
    }

    .nav-item {
        font-size: 0;
        padding: 6px;
        min-height: 36px;
        min-width: 36px;
    }

    .nav-item::before {
        width: 16px;
        height: 16px;
    }

    .theme-toggle {
        min-height: 36px;
        min-width: 36px;
        padding: 6px;
    }

    .hero {
        padding: 110px 0 30px 0; /* Adjusted for smaller header */
    }

    .hero-content {
        padding: 0 15px;
    }

    .hero-subtitle {
        font-size: 0.7rem;
        letter-spacing: 1.5px;
        margin-bottom: 12px;
    }

    .hero-title {
        font-size: clamp(2rem, 14vw, 3.5rem);
        line-height: 0.9;
        margin-bottom: 20px;
    }

    .hero-description {
        font-size: 0.9rem;
        line-height: 1.4;
        margin-bottom: 35px;
        padding: 0 5px;
    }

    .hero-actions {
        gap: 15px;
        max-width: 280px;
    }

    .cta-primary, .cta-secondary {
        padding: 16px 25px;
        font-size: 0.8rem;
        clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
    }

    .sectors {
        padding: 60px 15px;
    }

    .sectors-header {
        margin-bottom: 50px;
    }

    .section-title {
        font-size: clamp(1.8rem, 10vw, 2.5rem);
    }

    .sector-card {
        padding: 20px;
        clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
    }

    .philosophy {
        padding: 60px 15px;
    }

    .philosophy-card {
        padding: 20px;
        clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
    }

    .portfolio {
        padding: 60px 15px;
    }
    
    .portfolio-showcase {
        margin: 40px 0;
        padding: 20px 0;
    }
    
    .portfolio-item {
        min-width: 120px;
        margin: 0 10px;
        padding: 10px;
    }
    
    .portfolio-logo {
        width: 70px;
        height: 45px;
    }
    
    .portfolio-info h3 {
        font-size: 0.8rem;
    }
    
    .portfolio-info p {
        font-size: 0.6rem;
    }
    
    .portfolio-stats {
        gap: 20px;
        margin-top: 40px;
    }
    
    .stat-item {
        padding: 18px;
    }

    .contact {
        padding: 60px 15px;
    }
    
    .contact-form-container {
        padding: 20px;
        clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
    }
    
    .contact-card {
        padding: 20px;
        clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px;
        font-size: 16px;
        clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
    }
    
    .footer-content {
        padding: 40px 15px 20px;
        gap: 25px;
    }
    
    .footer-bottom-content {
        padding: 0 15px;
    }
}

/* Extra small mobile devices */
@media (max-width: 360px) {
    .header-content {
        padding: 8px 12px;
        gap: 8px;
    }

    .logo {
        font-size: 1.1rem;
    }

    .logo-subtitle {
        font-size: 0.45rem;
    }

    .nav-item {
        min-height: 32px;
        min-width: 32px;
        padding: 4px;
    }

    .nav-item::before {
        width: 14px;
        height: 14px;
    }

    .theme-toggle {
        min-height: 32px;
        min-width: 32px;
        padding: 4px;
    }

    .hero {
        padding: 100px 0 30px 0; /* Further adjusted for very small screens */
    }

    .hero-title {
        font-size: clamp(1.8rem, 16vw, 3rem);
        line-height: 0.85;
    }

    .hero-description {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    .hero-actions {
        max-width: 260px;
    }

    .cta-primary, .cta-secondary {
        padding: 14px 20px;
        font-size: 0.75rem;
    }

    .sector-card,
    .philosophy-card,
    .contact-card {
        padding: 18px;
        margin: 0 3px;
    }

    .portfolio-item {
        min-width: 110px;
        margin: 0 8px;
        padding: 8px;
    }

    .portfolio-logo {
        width: 60px;
        height: 40px;
    }
}

/* Mobile landscape specific optimizations */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: 100px 0 30px 0; /* Adjusted for landscape */
    }

    .hero-title {
        font-size: clamp(2.5rem, 8vw, 3.5rem);
        margin-bottom: 20px;
    }

    .hero-description {
        font-size: 0.9rem;
        margin-bottom: 30px;
        max-width: 600px;
    }

    .hero-actions {
        flex-direction: row;
        gap: 20px;
        max-width: none;
    }

    .cta-primary, .cta-secondary {
        width: auto;
        min-width: 180px;
    }
}

/* Mobile landscape with low height */
@media (max-width: 768px) and (orientation: landscape) and (max-height: 500px) {
    .hero {
        padding: 80px 0 20px 0; /* Further reduced for low height landscape */
    }

    .hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
        margin-bottom: 15px;
    }

    .hero-description {
        font-size: 0.8rem;
        margin-bottom: 20px;
        max-width: 500px;
    }

    .hero-actions {
        gap: 15px;
    }

    .cta-primary, .cta-secondary {
        padding: 12px 20px;
        font-size: 0.8rem;
    }

    .sectors,
    .philosophy,
    .portfolio,
    .contact {
        padding: 60px 20px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .cursor,
    .cursor-follower {
        display: none;
    }
    
    /* Re-enable default cursor on touch devices */
    * {
        cursor: auto !important;
    }

    /* Optimize touch targets */
    .nav-item,
    .cta-primary,
    .cta-secondary,
    .theme-toggle {
        min-height: 44px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        -webkit-tap-highlight-color: transparent;
        user-select: none;
        -webkit-user-select: none;
    }

    .sector-card,
    .philosophy-card,
    .portfolio-item,
    .contact-card,
    .stat-item {
        -webkit-tap-highlight-color: transparent;
    }

    /* Reduce hover effects on touch devices */
    .sector-card:hover,
    .philosophy-card:hover,
    .portfolio-item:hover,
    .contact-card:hover,
    .stat-item:hover {
        transform: none;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    /* Add active states for touch */
    .sector-card:active,
    .philosophy-card:active,
    .portfolio-item:active,
    .contact-card:active,
    .stat-item:active {
        transform: scale(0.98);
        background: var(--bg-surface-hover);
    }

    .cta-primary:active,
    .cta-secondary:active {
        transform: scale(0.96);
        background: var(--bg-surface-hover);
    }

    .nav-item:active {
        transform: scale(0.95);
        background: var(--bg-surface-hover);
    }
}

/* Tablet optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
    .header-content {
        padding: 20px 30px;
    }

    .hero-content {
        padding: 0 30px;
    }

    .hero-title {
        font-size: clamp(3.5rem, 10vw, 6rem);
    }

    .hero-description {
        font-size: 1.1rem;
        max-width: 700px;
    }

    .sectors {
        padding: 120px 30px;
    }

    .sectors-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 25px;
    }

    .philosophy {
        padding: 100px 30px;
    }

    .portfolio {
        padding: 100px 30px;
    }
    
    .portfolio-track {
        animation-duration: 50s;
    }
    
    .portfolio-item {
        min-width: 180px;
        margin: 0 25px;
    }
    
    .contact {
        padding: 100px 30px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        padding: 60px 30px 30px;
    }
}