/* ========================================
   RESPONSIVE OPTIMIZATIONS
   Mobile, Tablet & Desktop
   ======================================== */

/* ========================================
   MOBILE FIRST BREAKPOINTS
   ======================================== */
:root {
    --container-padding: 24px;
    --section-spacing: 80px;
    --header-height: 70px;
}

/* Small devices (phones, 576px and up) */
@media (min-width: 576px) {
    :root {
        --container-padding: 30px;
        --section-spacing: 90px;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    :root {
        --container-padding: 40px;
        --section-spacing: 100px;
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    :root {
        --container-padding: 50px;
        --section-spacing: 120px;
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    :root {
        --container-padding: 60px;
        --section-spacing: 140px;
    }
}

/* ========================================
   MOBILE STYLES (max-width: 767px)
   ======================================== */
@media (max-width: 767px) {
    /* Container */
    .container {
        padding: 0 20px;
        max-width: 100%;
    }
    
    /* Navigation */
    .navbar {
        padding: 16px 0;
        height: var(--header-height);
    }
    
    .nav-container {
        padding: 0 20px;
    }
    
    .nav-logo {
        font-size: 1.25rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 380px;
        height: 100vh;
        background: var(--bg-card);
        flex-direction: column;
        padding: 90px 30px 30px;
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: 18px 0;
        border-bottom: 1px solid var(--border);
        font-size: 1.1rem;
        text-align: left;
    }
    
    .nav-cta {
        margin-top: 20px;
        background: var(--gradient);
        text-align: center;
        border-radius: 12px;
    }
    
    .nav-toggle {
        display: flex;
        flex-direction: column;
        gap: 4px;
        width: 32px;
        height: 32px;
        justify-content: center;
        background: none;
        border: none;
        cursor: pointer;
        z-index: 1001;
    }
    
    .nav-toggle span {
        width: 100%;
        height: 2.5px;
        background: var(--text-primary);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-radius: 2px;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    /* Hero Section */
    .hero {
        min-height: 100vh;
        padding: calc(var(--header-height) + 40px) 20px 60px;
        text-align: center;
    }
    
    .hero-content {
        margin-left: 0 !important;
        align-items: center !important;
        text-align: center !important;
        max-width: 100% !important;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.1;
        margin-bottom: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 2.5rem;
        max-width: 320px;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto 2.5rem;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
        font-size: 16px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        padding: 24px;
        margin: 0 auto;
        max-width: 320px;
    }
    
    .stat:not(:last-child)::after {
        display: none;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    /* Hide floating icons on mobile */
    .floating-icons-left {
        display: none;
    }
    
    .hero-visual {
        display: none;
    }
    
    /* Sections */
    section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .section-subtitle {
        font-size: 1rem;
        max-width: 480px;
        margin: 0 auto;
    }
    
    /* Services Grid */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card {
        padding: 30px 24px;
        text-align: center;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
        font-size: 32px;
        margin: 0 auto 1.5rem;
    }
    
    .service-features {
        text-align: left;
    }
    
    /* Portfolio */
    .portfolio-filter {
        gap: 8px;
        margin-bottom: 30px;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .portfolio-filter::-webkit-scrollbar {
        display: none;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 14px;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .portfolio-item.large {
        grid-column: span 1;
    }
    
    .portfolio-overlay {
        padding: 24px;
    }
    
    .portfolio-overlay h3 {
        font-size: 1.25rem;
    }
    
    .portfolio-tech-tags {
        flex-wrap: wrap;
        gap: 6px;
    }
    
    .portfolio-tech-tags span {
        font-size: 10px;
        padding: 4px 10px;
    }
    
    /* About Section */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-text {
        font-size: 1rem;
    }
    
    .about-features {
        margin-top: 30px;
        gap: 20px;
    }
    
    .about-feature {
        gap: 16px;
        text-align: left;
    }
    
    .about-feature .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
        flex-shrink: 0;
    }
    
    /* Tech Stack */
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .tech-category {
        padding: 30px 24px;
    }
    
    .tech-items {
        justify-content: center;
    }
    
    .tech-item {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }
    
    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-wrapper {
        padding: 30px 24px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 16px;
        font-size: 16px; /* Prevents zoom on iOS */
        border-radius: 12px;
    }
    
    .social-links {
        justify-content: center;
        gap: 12px;
    }
    
    .social-link {
        width: 52px;
        height: 52px;
        font-size: 16px;
    }
    
    /* Footer */
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-brand {
        text-align: center;
    }
    
    .footer-links {
        text-align: center;
    }
    
    .footer-links h4 {
        margin-bottom: 16px;
    }
    
    .footer-links a {
        display: block;
        padding: 6px 0;
    }
    
    .footer-bottom {
        text-align: center;
        padding-top: 20px;
        margin-top: 30px;
    }
    
    /* Page Hero */
    .page-hero {
        padding: calc(var(--header-height) + 60px) 0 60px;
        min-height: 60vh;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    /* Legal Content */
    .legal-box {
        padding: 30px 24px;
    }
    
    .legal-section {
        margin-bottom: 30px;
    }
    
    /* Process Steps */
    .process-steps {
        gap: 30px;
    }
    
    .process-step {
        padding: 25px 20px;
    }
    
    /* Values Grid */
    .values-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Timeline */
    .timeline-item {
        padding-left: 40px;
    }
    
    .timeline-dot {
        width: 40px;
        height: 40px;
    }
    
    /* CTA Section */
    .cta-content {
        padding: 40px 24px;
        text-align: center;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    /* Touch Optimizations */
    .btn,
    .nav-link,
    .filter-btn,
    .portfolio-item {
        min-height: 44px;
    }
    
    /* Reduce animations on mobile for performance */
    .floating-icon,
    .code-window {
        animation: none !important;
    }
    
    .service-card,
    .portfolio-item,
    .tech-category {
        transform: none !important;
    }
}

/* ========================================
   TABLET STYLES (768px - 1023px)
   ======================================== */
@media (min-width: 768px) and (max-width: 1023px) {
    /* Container */
    .container {
        max-width: 960px;
        padding: 0 30px;
    }
    
    /* Navigation */
    .nav-menu {
        gap: 1.5rem;
    }
    
    .nav-link {
        font-size: 0.95rem;
        padding: 8px 16px;
    }
    
    .nav-cta {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    /* Hero */
    .hero {
        padding: 100px 30px 80px;
    }
    
    .hero-content {
        margin-left: 100px !important;
        max-width: 500px !important;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2.5rem;
    }
    
    .hero-cta {
        gap: 1rem;
    }
    
    .hero-stats {
        gap: 2rem;
        padding: 24px 28px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    /* Floating Icons - Reduce number */
    .floating-icon.icon-4,
    .floating-icon.icon-5,
    .floating-icon.icon-6 {
        display: none;
    }
    
    .floating-icon {
        padding: 12px 16px;
    }
    
    .floating-icon span:first-child {
        font-size: 28px;
    }
    
    .floating-icon .icon-label {
        font-size: 10px;
    }
    
    /* Sections */
    section {
        padding: 80px 0;
    }
    
    .section-header {
        margin-bottom: 50px;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .service-card {
        padding: 35px 28px;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
        font-size: 32px;
    }
    
    /* Portfolio */
    .portfolio-filter {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .portfolio-item.large {
        grid-column: span 2;
    }
    
    .portfolio-overlay {
        padding: 30px;
    }
    
    .portfolio-overlay h3 {
        font-size: 1.5rem;
    }
    
    /* About */
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: 50px;
    }
    
    .about-text {
        font-size: 1.05rem;
    }
    
    .about-features {
        margin-top: 35px;
        gap: 25px;
    }
    
    /* Tech */
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
    
    .tech-category {
        padding: 32px 28px;
    }
    
    .tech-item {
        width: 56px;
        height: 56px;
        font-size: 26px;
    }
    
    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: 50px;
    }
    
    .contact-form-wrapper {
        padding: 40px 32px;
    }
    
    .social-links {
        gap: 12px;
    }
    
    .social-link {
        width: 48px;
        height: 48px;
        font-size: 14px;
    }
    
    /* Footer */
    .footer {
        padding: 50px 0 30px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    /* Page Hero */
    .page-hero {
        padding: 120px 0 80px;
        min-height: 50vh;
    }
    
    .page-title {
        font-size: 3rem;
    }
    
    /* Legal */
    .legal-box {
        padding: 40px 32px;
    }
    
    /* Process */
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .process-step {
        padding: 30px 24px;
    }
    
    /* Values */
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    /* CTA */
    .cta-content {
        padding: 50px 40px;
    }
    
    .cta-title {
        font-size: 2.5rem;
    }
}

/* ========================================
   DESKTOP STYLES (1024px and up)
   ======================================== */
@media (min-width: 1024px) {
    /* Container */
    .container {
        max-width: 1200px;
        padding: 0 40px;
    }
    
    /* Navigation */
    .navbar.scrolled {
        padding: 12px 0;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
    }
    
    .nav-menu {
        gap: 2rem;
    }
    
    .nav-link {
        padding: 10px 20px;
        border-radius: 8px;
        transition: all 0.3s ease;
    }
    
    .nav-link:hover {
        background: rgba(99, 102, 241, 0.1);
    }
    
    /* Hero */
    .hero {
        padding: 120px 40px 100px;
    }
    
    .hero-content {
        margin-left: 200px !important;
        max-width: 650px !important;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
        margin-bottom: 3rem;
    }
    
    .hero-cta {
        gap: 1.25rem;
    }
    
    .hero-stats {
        gap: 3rem;
        padding: 28px 32px;
    }
    
    .stat-number {
        font-size: 3rem;
    }
    
    /* Sections */
    section {
        padding: 120px 0;
    }
    
    .section-header {
        margin-bottom: 60px;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    
    .service-card {
        padding: 40px 32px;
    }
    
    .service-icon {
        width: 80px;
        height: 80px;
        font-size: 40px;
    }
    
    /* Portfolio */
    .portfolio-filter {
        gap: 12px;
    }
    
    .filter-btn {
        padding: 12px 28px;
        font-size: 14px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    
    .portfolio-item.large {
        grid-column: span 2;
    }
    
    .portfolio-overlay {
        padding: 36px;
    }
    
    .portfolio-overlay h3 {
        font-size: 1.75rem;
    }
    
    /* About */
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: 80px;
    }
    
    .about-text {
        font-size: 1.1rem;
    }
    
    .about-features {
        margin-top: 40px;
        gap: 30px;
    }
    
    /* Tech */
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
    }
    
    .tech-category {
        padding: 36px 32px;
    }
    
    .tech-item {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
    
    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: 80px;
    }
    
    .contact-form-wrapper {
        padding: 48px;
    }
    
    .social-links {
        gap: 12px;
    }
    
    .social-link {
        width: 52px;
        height: 52px;
        font-size: 14px;
    }
    
    /* Footer */
    .footer {
        padding: 70px 0 40px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 40px;
    }
    
    /* Page Hero */
    .page-hero {
        padding: 140px 0 100px;
        min-height: 50vh;
    }
    
    .page-title {
        font-size: 3.5rem;
    }
    
    /* Legal */
    .legal-box {
        padding: 50px 40px;
    }
    
    /* Process */
    .process-steps {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
    
    .process-step {
        padding: 35px 30px;
    }
    
    /* Values */
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
    
    /* CTA */
    .cta-content {
        padding: 60px 50px;
    }
    
    .cta-title {
        font-size: 3rem;
    }
}

/* ========================================
   LARGE DESKTOP (1440px and up)
   ======================================== */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
        padding: 0 60px;
    }
    
    .hero-content {
        margin-left: 300px !important;
        max-width: 700px !important;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
    
    .services-grid {
        gap: 32px;
    }
    
    .portfolio-grid {
        gap: 32px;
    }
}

/* ========================================
   TOUCH DEVICE OPTIMIZATIONS
   ======================================== */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .service-card:hover,
    .portfolio-item:hover,
    .tech-category:hover,
    .floating-icon:hover {
        transform: none;
    }
    
    /* Larger touch targets */
    .btn,
    .nav-link,
    .filter-btn,
    .social-link,
    .tech-item {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Improve tap spacing */
    .nav-link {
        padding: 12px 20px;
    }
    
    .filter-btn {
        margin: 4px;
    }
    
    /* Disable parallax on touch for performance */
    .hero-visual,
    .floating-icon {
        transform: none !important;
    }
}

/* ========================================
   HIGH DPI DISPLAYS
   ======================================== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Sharper text on high DPI displays */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    /* Crisper icons */
    .floating-icon span:first-child,
    .service-icon,
    .portfolio-icon,
    .tech-item {
        transform: translateZ(0);
    }
}

/* ========================================
   REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    /* Respect user's motion preferences */
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .floating-icon,
    .code-window,
    .hero-visual {
        animation: none !important;
    }
}

/* ========================================
   DARK MODE OVERRIDE
   ======================================== */
@media (prefers-color-scheme: light) {
    /* Force dark theme for this website */
    :root {
        --bg-dark: #0a0a0f;
        --bg-card: #121218;
        --text-primary: #ffffff;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    /* Hide unnecessary elements */
    .navbar,
    .floating-icons-left,
    .hero-visual,
    .nav-toggle,
    .btn:not(.btn-secondary),
    .portfolio-filter,
    .social-links,
    .footer {
        display: none !important;
    }
    
    /* Ensure content fits */
    body {
        background: white !important;
        color: black !important;
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .container {
        max-width: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    /* Adjust sections */
    section {
        padding: 20px 0 !important;
        page-break-inside: avoid;
    }
    
    /* Ensure text is readable */
    h1, h2, h3 {
        color: black !important;
        page-break-after: avoid;
    }
    
    /* Links */
    a::after {
        content: " (" attr(href) ")";
        font-size: 10pt;
        color: #666;
    }
    
    a[href^="#"]::after {
        content: "";
    }
}