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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
}

.logo-link img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    display: block;
}

.logo-link:hover h1 {
    color: var(--secondary-color);
}

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

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

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

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.lang-switch span {
    color: var(--text-light);
}

.lang-switch a.active {
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Dropdown / Submenu */
.has-submenu {
    position: relative;
}

.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    padding: 0.4rem 0;
    list-style: none;
    min-width: 230px;
    z-index: 200;
    gap: 0;
    /* small invisible top padding bridges the gap so the mouse doesn't lose the element */
    margin-top: 0;
    padding-top: 0.5rem;
}

.has-submenu.open .submenu,
.has-submenu:focus-within .submenu {
    display: block;
}

.submenu li a {
    display: block;
    padding: 0.55rem 1.25rem;
    color: var(--text-dark);
    font-weight: 500;
    white-space: nowrap;
    border-radius: 4px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.submenu li a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* Overview Section */
.overview {
    background-color: var(--bg-light);
}

.overview .container {
    max-width: 860px;
}

.overview h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.overview h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    border-left: 4px solid var(--primary-color);
    padding-left: 0.6rem;
}

.overview p {
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.75;
}

.overview ul {
    list-style-type: disc;
    list-style-position: outside;
    padding-left: 1.4rem;
    margin-bottom: 1rem;
}

.overview ul ul {
    list-style-type: circle;
    list-style-position: outside;
    padding-left: 1.4rem;
    margin-top: 0.35rem;
    margin-bottom: 0.35rem;
}

.overview li {
    margin-bottom: 0.4rem;
    color: var(--text-dark);
    line-height: 1.65;
    padding-left: 0.25rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
    font-weight: 700;
}

/* Features Section */
.features {
    background-color: var(--bg-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

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

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

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

/* Execution Modes Section */
.execution-modes {
    background-color: var(--bg-white);
    padding-bottom: 2.5rem;
}

.execution-modes h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-align: center;
}

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

.mode-card {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    color: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.mode-card:hover {
    transform: translateY(-5px);
}

.mode-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.mode-card p {
    font-size: 1rem;
    opacity: 0.95;
}

/* Product Video Section */
.product-video {
    background-color: var(--bg-light);
    padding: 2rem 0;
}

.product-video h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
    text-align: center;
}

.video-frame {
    position: relative;
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background-color: #000;
}

.video-frame iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.product-video + .overview {
    padding-top: 2.5rem;
}

/* Migration Landing Pages */
.migration-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
    padding: 4.5rem 0;
}

.migration-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 0.85rem;
}

.migration-hero .hero-subtitle {
    margin: 0 auto 1.8rem auto;
    max-width: 760px;
    font-size: 1.2rem;
    opacity: 0.95;
}

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

.migration-content .container {
    max-width: 960px;
}

.migration-content h2 {
    color: var(--primary-color);
    font-size: 1.85rem;
    margin: 2.2rem 0 1rem 0;
}

.migration-content h2:first-child {
    margin-top: 0;
}

.migration-content ul,
.migration-content ol {
    margin-left: 1.25rem;
    margin-bottom: 1.1rem;
}

.migration-content li {
    margin-bottom: 0.55rem;
    color: var(--text-dark);
    line-height: 1.65;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin: 0.5rem 0 1.4rem 0;
}

.use-case-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 1.25rem;
}

.use-case-card h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
}

.use-case-card p {
    margin-bottom: 0;
}

.process-steps {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 1.2rem 1.4rem 1.2rem 1.6rem;
}

.highlight-box {
    margin-top: 1.5rem;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    padding: 1.35rem;
}

.highlight-box h3 {
    color: var(--secondary-color);
    margin-bottom: 0.4rem;
}

.highlight-box p {
    margin-bottom: 0.9rem;
}

.highlight-box .btn-secondary {
    background-color: var(--primary-color);
    border: 1px solid var(--primary-color);
    color: white;
}

.highlight-box .btn-secondary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: white;
    text-align: center;
}

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

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Contact Section */
.contact {
    background-color: var(--bg-light);
}

.contact-info {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-info p {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

/* Contact Page */
.contact-page {
    background-color: var(--bg-light);
}

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

.about-contact .container {
    max-width: 1100px;
}

.about-contact-grid {
    display: grid;
    grid-template-columns: minmax(260px, 340px) 1fr;
    gap: 2.5rem;
    align-items: start;
}

.about-portrait-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    position: sticky;
    top: 6.5rem;
}

.about-portrait-card img {
    display: block;
    width: 100%;
    height: auto;
}

.about-portrait-caption {
    padding: 0.9rem 1rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.about-content {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 2rem;
}

.about-content h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-content p {
    margin-bottom: 1rem;
    line-height: 1.75;
    color: var(--text-dark);
}

.about-goals {
    list-style: disc;
    list-style-position: outside;
    margin: 1rem 0 1.5rem 1.4rem;
}

.about-goals li {
    margin-bottom: 0.6rem;
    line-height: 1.6;
}

.contact-details-card {
    margin-top: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: #eff6ff;
    padding: 1rem 1.25rem;
}

.contact-details-card h3 {
    color: var(--secondary-color);
    margin-bottom: 0.7rem;
    font-size: 1.15rem;
}

.contact-details-card p {
    margin-bottom: 0.4rem;
    line-height: 1.6;
}

.contact-details-card a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-details-card a:hover {
    text-decoration: underline;
}

/* Download Page Specific Styles */
.download-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.download-section {
    padding: 4rem 0;
}

.download-card {
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.download-card h3 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.download-info {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.download-info p {
    margin: 0.5rem 0;
    font-size: 1rem;
}

.version-badge {
    display: inline-block;
    background-color: var(--success-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.download-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

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

/* Pricing Page */
.pricing-page {
    background-color: var(--bg-light);
}

.pricing-section {
    padding: 4rem 0;
}

.pricing-header {
    max-width: 860px;
    margin: 0 auto 2rem auto;
}

.pricing-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.suite-list {
    list-style: disc;
    list-style-position: outside;
    padding-left: 1.4rem;
    color: var(--text-dark);
}

.suite-list li {
    margin-bottom: 0.4rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(320px, 1fr));
    gap: 1.5rem;
}

.pricing-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 1.5rem;
}

.pricing-card h3 {
    color: var(--primary-color);
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.pricing-table-wrap {
    overflow-x: auto;
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 360px;
}

.pricing-table th,
.pricing-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.pricing-table th {
    background-color: #eff6ff;
    color: #1e3a8a;
    font-weight: 700;
}

.pricing-table tr:last-child td {
    border-bottom: none;
}

.license-request-section {
    padding-top: 0;
}

.license-request-box {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 1.5rem;
}

.license-request-box h2 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.license-request-box p {
    margin-bottom: 0.8rem;
    line-height: 1.65;
}

.license-terms-box {
    margin: 1rem 0 1.1rem 0;
    padding: 1rem 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: var(--bg-light);
}

.license-terms-box h3 {
    color: var(--secondary-color);
    margin-bottom: 0.65rem;
    font-size: 1.1rem;
}

.license-terms-list {
    margin-left: 1.2rem;
    color: var(--text-dark);
}

.license-terms-list li {
    margin-bottom: 0.45rem;
    line-height: 1.6;
}

.license-request-form {
    margin-top: 1rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(260px, 1fr));
    gap: 1rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-field-full {
    grid-column: 1 / -1;
}

.form-field label {
    font-weight: 600;
    color: var(--text-dark);
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.65rem 0.75rem;
    font: inherit;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.form-field textarea {
    min-height: 110px;
    resize: vertical;
}

.form-help {
    color: var(--text-light);
    margin-top: 0.9rem;
}

.form-consent {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    margin: 1rem 0 1rem 0;
    color: var(--text-dark);
    line-height: 1.55;
}

.form-consent input {
    margin-top: 0.2rem;
    width: auto;
    flex: 0 0 auto;
}

.form-consent a {
    color: var(--secondary-color);
    font-weight: 600;
    text-decoration: none;
}

.form-consent a:hover {
    text-decoration: underline;
}

.license-request-form .btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.license-request-form .btn-primary:hover {
    background-color: var(--secondary-color);
    color: white;
}

.form-alert {
    border-radius: 8px;
    border: 1px solid transparent;
    padding: 0.8rem 0.95rem;
    margin: 0.8rem 0;
}

.form-alert-success {
    background-color: #ecfdf5;
    border-color: #a7f3d0;
    color: #065f46;
}

.form-alert-error {
    background-color: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

/* Footer */
footer {
    background-color: var(--text-dark);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

footer p {
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

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

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

    .nav-menu {
        gap: 1rem;
    }

    .feature-grid,
    .modes-grid {
        grid-template-columns: 1fr;
    }

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

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

    .download-card {
        padding: 2rem;
    }

    .about-contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about-portrait-card {
        position: static;
        max-width: 320px;
        margin: 0 auto;
    }

    .about-content {
        padding: 1.5rem;
    }

    .migration-hero {
        padding: 3.25rem 0;
    }

    .migration-hero h1 {
        font-size: 2rem;
    }

    .migration-content h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 3rem 0;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
}