/* ============================================
   Global Styles & Reset
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background-color: var(--primary-color);
    color: var(--bg-white);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    z-index: 100;
    border-radius: 0 0 0.5rem 0;
}

.skip-link:focus {
    top: 0;
}

:root {
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary-color: #0f172a;
    --accent-color: #0891b2;
    --text-dark: #111827;
    --text-light: #4b5563;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Courier New', monospace;
    
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.25rem;
    color: var(--secondary-color);
}

h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
    line-height: 1.7;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover,
a:focus {
    color: var(--primary-dark);
    text-decoration: underline;
}

a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

code {
    font-family: var(--font-mono);
    background-color: var(--bg-light);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

pre {
    background-color: var(--secondary-color);
    color: #e5e7eb;
    padding: var(--spacing-md);
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
}

pre code {
    background-color: transparent;
    color: inherit;
    padding: 0;
}

/* ============================================
   Layout & Container
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

main {
    min-height: calc(100vh - 60px);
}

section {
    padding: var(--spacing-2xl) 0;
}

/* ============================================
   Header & Navigation
   ============================================ */

.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-item {
    display: inline-block;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--primary-color);
}

.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 0.375rem;
    min-height: 44px;
    min-width: 44px;
    padding: 0.5rem;
}

.hamburger:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--bg-white);
    padding: var(--spacing-2xl) var(--spacing-md);
    text-align: center;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
}

.hero-icon-wrapper {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-icon {
    width: 180px;
    height: 180px;
    object-fit: contain;
    filter: brightness(0) invert(1) drop-shadow(0 4px 6px rgba(0, 0, 0, 0.2));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--bg-white);
}

.hero-tagline {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-2xl);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Buttons & CTAs
   ============================================ */

.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 0.5rem;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
    font-size: 1rem;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cta-button:focus {
    outline: 2px solid var(--bg-white);
    outline-offset: 2px;
}

.cta-primary {
    background-color: var(--accent-color);
    color: var(--bg-white);
}

.cta-primary:hover,
.cta-primary:focus {
    background-color: #0891b2;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-secondary {
    background-color: transparent;
    color: var(--bg-white);
    border-color: var(--bg-white);
}

.cta-secondary:hover,
.cta-secondary:focus {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ============================================
   Features Section
   ============================================ */

.features {
    background-color: var(--bg-light);
}

.features h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   Benefits Section
   ============================================ */

.benefits {
    background-color: var(--bg-white);
}

.benefits h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-item {
    padding: var(--spacing-lg);
    border-left: 4px solid var(--primary-color);
    background-color: var(--bg-light);
    border-radius: 0.5rem;
}

.benefit-item h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.benefit-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   Screenshots Section
   ============================================ */

.screenshots {
    background-color: var(--bg-light);
}

.screenshots h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.gallery-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    grid-column: 1;
}

.gallery-item {
    background-color: var(--bg-white);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.gallery-item-tall {
    grid-column: 2;
    grid-row: 1 / 3;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.gallery-image {
    width: 100%;
    height: 300px;
    display: block;
    object-fit: contain;
    background-color: #f0f0f0;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.gallery-item-tall .gallery-image {
    height: 100%;
    min-height: 620px;
}

.gallery-image:hover,
.gallery-image:focus {
    opacity: 0.9;
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.gallery-image.loaded {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.gallery-item figcaption {
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    color: var(--text-dark);
    background-color: var(--bg-white);
    font-size: 0.95rem;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   Lightbox Modal
   ============================================ */

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-in;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 0.5rem;
    animation: zoomIn 0.3s ease-in;
}

@keyframes zoomIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--bg-white);
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    min-height: 44px;
    min-width: 44px;
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: var(--accent-color);
    outline: 2px solid var(--bg-white);
    outline-offset: 2px;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--bg-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-md);
    border-radius: 0.25rem;
    transition: var(--transition);
    z-index: 10;
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-prev:hover,
.lightbox-next:hover,
.lightbox-prev:focus,
.lightbox-next:focus {
    background-color: rgba(255, 255, 255, 0.4);
    outline: 2px solid var(--bg-white);
    outline-offset: 2px;
}

.lightbox-prev {
    left: -60px;
}

.lightbox-next {
    right: -60px;
}

.lightbox-caption {
    color: var(--bg-white);
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: 1.125rem;
    font-weight: 600;
}

.lightbox-counter {
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
}

/* Mobile lightbox adjustments */
@media (max-width: 767px) {
    .lightbox-prev,
    .lightbox-next {
        position: static;
        transform: none;
        margin: 0 var(--spacing-sm);
        padding: var(--spacing-sm);
        font-size: 1.25rem;
    }

    .lightbox-content {
        width: 95%;
    }

    .lightbox-image {
        max-height: 60vh;
    }

    .lightbox-close {
        top: 10px;
        right: 10px;
    }
}

/* ============================================
   Architecture Section
   ============================================ */

.architecture {
    background-color: var(--bg-white);
}

.architecture h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.architecture-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.architecture-diagram {
    background-color: var(--secondary-color);
    color: #e5e7eb;
    padding: var(--spacing-lg);
    border-radius: 0.5rem;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.4;
}

.architecture-description h3 {
    margin-bottom: var(--spacing-md);
}

.architecture-description ul {
    list-style: none;
}

.architecture-description li {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--text-light);
}

.architecture-description li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.architecture-description strong {
    color: var(--text-dark);
}

/* ============================================
   Getting Started Section
   ============================================ */

.getting-started {
    background-color: var(--bg-light);
}

.getting-started h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.getting-started-content {
    max-width: 900px;
    margin: 0 auto;
}

.steps {
    list-style: none;
    counter-reset: step-counter;
    margin-bottom: var(--spacing-2xl);
}

.steps li {
    counter-increment: step-counter;
    margin-bottom: var(--spacing-2xl);
    padding-left: var(--spacing-2xl);
    position: relative;
}

.steps li:before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.steps h3 {
    margin-bottom: var(--spacing-sm);
}

.steps p {
    margin-bottom: var(--spacing-sm);
}

.getting-started-cta {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--bg-white);
    border-radius: 0.75rem;
    border: 2px solid var(--border-color);
}

.getting-started-cta p {
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background-color: var(--secondary-color);
    color: var(--bg-light);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    color: var(--bg-white);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--bg-light);
    font-size: 0.95rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--accent-color);
}

.footer-section a:hover,
.footer-section a:focus {
    color: var(--bg-white);
    text-decoration: underline;
}

.footer-section a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--bg-light);
    font-size: 0.875rem;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet (768px and below) */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: var(--shadow-md);
        z-index: 99;
    }

    .nav-menu.active {
        max-height: 500px;
    }

    .nav-item {
        display: block;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link {
        display: block;
        padding: var(--spacing-md);
        font-size: 1rem;
        -webkit-tap-highlight-color: transparent;
    }

    .nav-link:active {
        background-color: var(--bg-light);
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero {
        min-height: 500px;
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .hero-icon {
        width: 140px;
        height: 140px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.25rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }

    .cta-button {
        width: 100%;
        max-width: 300px;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
        -webkit-tap-highlight-color: transparent;
        min-height: 44px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .feature-card {
        padding: var(--spacing-md);
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .benefit-item {
        padding: var(--spacing-md);
    }

    .gallery {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    .gallery-column {
        gap: var(--spacing-md);
    }

    .gallery-image {
        height: 250px;
    }

    .gallery-item-tall .gallery-image {
        min-height: 520px;
    }

    .architecture-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .architecture-diagram {
        font-size: 0.75rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .steps li {
        padding-left: var(--spacing-xl);
    }

    .steps li:before {
        width: 40px;
        height: 40px;
    }

    pre {
        font-size: 0.8rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    code {
        font-size: 0.8rem;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }

    section {
        padding: var(--spacing-xl) 0;
    }

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

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .hero {
        min-height: 400px;
        padding: var(--spacing-xl) var(--spacing-sm);
    }

    .hero-icon {
        width: 120px;
        height: 120px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-tagline {
        font-size: 1.125rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .hero-ctas {
        gap: var(--spacing-sm);
    }

    .cta-button {
        width: 100%;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.95rem;
        min-height: 44px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .feature-card {
        padding: var(--spacing-md);
    }

    .feature-icon {
        width: 50px;
        height: 50px;
        margin: 0 auto var(--spacing-sm);
    }

    .feature-card h3 {
        font-size: 1.125rem;
    }

    .feature-card p {
        font-size: 0.9rem;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .benefit-item {
        padding: var(--spacing-md);
        border-left-width: 3px;
    }

    .benefit-item h3 {
        font-size: 1.125rem;
    }

    .benefit-item p {
        font-size: 0.9rem;
    }

    .gallery {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .gallery-column {
        gap: var(--spacing-sm);
    }

    .gallery-image {
        height: 200px;
    }

    .gallery-item-tall .gallery-image {
        height: 200px;
        min-height: auto;
    }

    .gallery-item figcaption {
        padding: var(--spacing-sm);
        font-size: 0.95rem;
    }

    .architecture-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .architecture-diagram {
        font-size: 0.7rem;
        padding: var(--spacing-md);
        line-height: 1.3;
    }

    .architecture-description h3 {
        font-size: 1.125rem;
    }

    .architecture-description li {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-sm);
    }

    .getting-started-content {
        padding: 0;
    }

    .steps li {
        padding-left: var(--spacing-xl);
        margin-bottom: var(--spacing-lg);
    }

    .steps li:before {
        width: 35px;
        height: 35px;
        font-size: 0.875rem;
    }

    .steps h3 {
        font-size: 1.125rem;
    }

    .steps p {
        font-size: 0.9rem;
    }

    pre {
        padding: var(--spacing-md);
        font-size: 0.7rem;
        line-height: 1.3;
    }

    code {
        font-size: 0.7rem;
    }

    .getting-started-cta {
        padding: var(--spacing-md);
    }

    .getting-started-cta p {
        font-size: 0.95rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-section h4 {
        font-size: 1.125rem;
    }

    .footer-section p,
    .footer-section li {
        font-size: 0.9rem;
    }

    .footer-bottom {
        font-size: 0.8rem;
    }

    /* Lightbox mobile adjustments */
    .lightbox-prev,
    .lightbox-next {
        left: auto;
        right: auto;
        top: auto;
        bottom: 10px;
        transform: none;
        padding: var(--spacing-sm);
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-image {
        max-height: 50vh;
    }

    .lightbox-close {
        top: 10px;
        right: 10px;
        font-size: 1.75rem;
    }

    .lightbox-caption {
        font-size: 1rem;
    }

    .lightbox-counter {
        font-size: 0.8rem;
    }
}

/* Extra small devices (320px and below) */
@media (max-width: 320px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.25rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }

    .container {
        padding: 0 0.5rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    h3 {
        font-size: 1rem;
    }

    .hero {
        min-height: 350px;
        padding: var(--spacing-lg) 0.5rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    .feature-card h3 {
        font-size: 1rem;
    }

    .feature-card p {
        font-size: 0.85rem;
    }

    .benefit-item h3 {
        font-size: 1rem;
    }

    .benefit-item p {
        font-size: 0.85rem;
    }

    .steps li:before {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }

    .architecture-diagram {
        font-size: 0.65rem;
        padding: var(--spacing-sm);
    }

    pre {
        padding: var(--spacing-sm);
        font-size: 0.65rem;
    }

    code {
        font-size: 0.65rem;
    }
}

/* ============================================
   Touch Interactions & Mobile Optimization
   ============================================ */

/* Remove tap highlight on mobile */
button,
a,
input,
select,
textarea {
    -webkit-tap-highlight-color: transparent;
}

/* Ensure all interactive elements have visible focus */
button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Improve touch target sizes for mobile */
@media (max-width: 768px) {
    button,
    a,
    .nav-link,
    .cta-button,
    .gallery-image,
    .lightbox-prev,
    .lightbox-next,
    .lightbox-close {
        min-height: 44px;
        min-width: 44px;
    }

    /* Ensure clickable elements have adequate padding */
    .nav-link {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .cta-button {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    /* Improve scrolling performance on mobile */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    /* Enable hardware acceleration for smooth animations */
    .nav-menu,
    .lightbox,
    .gallery-image {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
}

/* Prevent zoom on input focus for iOS */
@media (max-width: 768px) {
    input,
    textarea,
    select {
        font-size: 16px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --text-dark: #f3f4f6;
        --text-light: #d1d5db;
        --bg-light: #1f2937;
        --bg-white: #111827;
        --border-color: #374151;
    }

    .feature-card,
    .gallery-item,
    .getting-started-cta {
        background-color: #1f2937;
    }

    .benefits {
        background-color: #111827;
    }

    .benefit-item {
        background-color: #1f2937;
    }

    code {
        background-color: #1f2937;
        color: #e5e7eb;
    }
}