/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0066ff;
    --primary-dark: #0052cc;
    --background-color: #0a0a0a;
    --surface-color: #1a1a1a;
    --surface-light: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --accent-color: #00ff88;
    --border-color: #333333;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo h2 {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--text-primary);
}

.nav-cta .btn-primary {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

/* Buttons */
.btn-primary {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    background-color: rgba(0, 102, 255, 0.1);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
}

.hero-showcase {
    position: relative;
    height: 400px;
    border-radius: 12px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-preview {
    position: absolute;
    inset: 20px;
    border-radius: 8px;
    background: linear-gradient(45deg, var(--surface-light), var(--surface-color));
}

.cad-mockup {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 40%, rgba(0, 102, 255, 0.3), transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(0, 255, 136, 0.2), transparent 50%);
    position: relative;
}

.cad-mockup::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.6;
}

.cad-mockup::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    opacity: 0.4;
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* About Section */
.about {
    padding: 80px 0;
    background-color: var(--surface-color);
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.expertise-list {
    list-style: none;
    margin-bottom: 2rem;
}

.expertise-list li {
    color: var(--text-secondary);
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.expertise-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-item {
    padding: 1.5rem;
    background: var(--background-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stat-item h4 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-secondary);
}

/* Product Section */
.product {
    padding: 80px 0;
}

.product-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-content h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.product-content p {
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.product-highlights {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.highlight-item {
    padding: 1.5rem;
    background: var(--surface-color);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.highlight-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.highlight-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.product-visual {
    position: relative;
}

.product-mockup {
    position: relative;
    height: 350px;
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.mockup-screen {
    position: absolute;
    inset: 15px;
    background: var(--background-color);
    border-radius: 8px;
}

.mockup-interface {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 255, 136, 0.05));
    position: relative;
}

.mockup-interface::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    height: 40px;
    background: var(--surface-light);
    border-radius: 4px;
}

.mockup-interface::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    top: 80px;
    background: radial-gradient(circle at center, rgba(0, 102, 255, 0.2), transparent 60%);
    border-radius: 4px;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--surface-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-item {
    padding: 2rem;
    background: var(--background-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.feature-item p {
    color: var(--text-secondary);
}

/* Services Section */
.services {
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-item {
    padding: 2rem;
    background: var(--surface-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.service-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-item p {
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background-color: var(--surface-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-secondary);
}

/* Form Styles */
.consultation-form {
    background: var(--background-color);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--surface-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background-color: var(--background-color);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-muted);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .product-hero {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .nav-menu {
        display: none;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}

/* Capabilities Section */
.capabilities {
    background-color: var(--surface-color);
    padding: 6rem 0;
}

.capability-section {
    margin-bottom: 4rem;
}

.capability-section h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: center;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.capability-category {
    background-color: var(--surface-light);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.capability-category h4 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.capability-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.capability-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.capability-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.capability-image {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.capability-content h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.capability-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.technical-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tech-feature {
    background-color: var(--surface-light);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.tech-feature h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.tech-feature ul {
    list-style: none;
    padding: 0;
}

.tech-feature li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.tech-feature li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Image Styling */
.hero-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    object-position: center 20%;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 102, 255, 0.1);
    transition: all 0.3s ease;
    display: block;
    margin: 0 auto;
}

.hero-image:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 102, 255, 0.2);
    border-color: var(--primary-color);
}

.product-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

.showcase-preview {
    padding: 0;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.mockup-screen {
    padding: 0;
    background: transparent;
    border-radius: 8px;
    overflow: hidden;
}

/* Modal/Lightbox Styling */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 1200px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.modal-content > * {
    pointer-events: auto;
}

#modalImage {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 102, 255, 0.3);
    border: 2px solid var(--border-color);
}

#modalCaption {
    color: var(--text-primary);
    text-align: center;
    padding: 15px 0;
    font-size: 1.2rem;
    font-weight: 500;
}

.close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: var(--text-primary);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2001;
    transition: all 0.3s ease;
}

.close:hover,
.close:focus {
    color: var(--primary-color);
    text-decoration: none;
}

.clickable-image {
    cursor: pointer;
    transition: all 0.3s ease;
}

.clickable-image:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(0, 102, 255, 0.2);
    border-color: var(--primary-color);
}

/* Mesh Gallery Images */
.mesh-gallery-image {
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: contain;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: #0a0a0a;
    display: block;
}

.mesh-gallery-image:hover {
    border-color: var(--primary-color);
}

/* Modal Responsive */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        padding: 10px;
    }

    #modalImage {
        max-height: 70vh;
    }

    .close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }

    #modalCaption {
        font-size: 1rem;
        padding: 10px 0;
    }
}

/* Download Section */
.download {
    padding: 80px 0;
    background-color: var(--background-color);
    position: relative;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(0, 102, 255, 0.08), transparent 40%),
                radial-gradient(circle at 80% 70%, rgba(0, 255, 136, 0.06), transparent 40%);
    pointer-events: none;
}

.download-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.download-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.download-box {
    background: var(--surface-color);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.download-box:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.download-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
}

.trial-badge {
    display: inline-block;
    background: linear-gradient(135deg, #00c853, #00e676);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 200, 83, 0.3);
}

.download-box h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.download-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.download-info {
    background: var(--background-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    color: var(--text-primary);
}

.info-value {
    color: var(--text-secondary);
}

.download-actions {
    text-align: center;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--primary-color), #0052cc);
    color: white;
    padding: 1.25rem 3rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    box-shadow: 0 6px 24px rgba(0, 102, 255, 0.3);
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(0, 102, 255, 0.4);
}

.download-icon {
    font-size: 1.5rem;
}

.download-note {
    margin-top: 1rem;
    font-size: 0.875rem;
}

.checksum-link {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px dashed var(--primary-color);
}

.checksum-link:hover {
    border-bottom-style: solid;
}

.installation-guide {
    background: var(--surface-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

.installation-guide h4 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.install-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.install-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), #0052cc);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

.step-content {
    flex: 1;
}

.step-content h5 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.step-content code {
    display: block;
    background: var(--background-color);
    color: var(--accent-color);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

.trial-features {
    background: var(--background-color);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.trial-features h5 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.trial-features ul {
    list-style: none;
    padding: 0;
}

.trial-features li {
    color: var(--text-secondary);
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

.system-requirements {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

.system-requirements h4 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.requirements-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.requirement-item {
    background: var(--background-color);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.requirement-item h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.requirement-item ul {
    list-style: none;
    padding: 0;
}

.requirement-item li {
    color: var(--text-secondary);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.requirement-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.trial-info {
    background: var(--surface-color);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-left: 3px solid #ffc107;
    border-radius: 8px;
    padding: 1.5rem;
    color: var(--text-secondary);
}

.trial-info h4 {
    color: #ffc107;
    margin-bottom: 1rem;
}

.trial-info p {
    margin-bottom: 0.75rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.trial-info p:last-child {
    margin-bottom: 0;
}

.trial-info strong {
    color: var(--text-primary);
}

/* Download Section Responsive */
@media (max-width: 968px) {
    .download-hero {
        grid-template-columns: 1fr;
    }

    .requirements-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .download {
        padding: 60px 0;
    }

    .download-box {
        padding: 2rem;
    }

    .download-box h3 {
        font-size: 1.5rem;
    }

    .btn-download {
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    .installation-guide {
        padding: 1.5rem;
    }
}