/* ============================================
   HeliosDB - Sub-page Styles
   Shared styles for all secondary pages
   ============================================ */

/* ===== NAV DROPDOWN - DB Versions ===== */

.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    background: none;
    border: none;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-dropdown-toggle .dd-arrow {
    font-size: 0.6em;
    transition: transform 0.2s;
}

.nav-dropdown:hover .dd-arrow,
.nav-dropdown.open .dd-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 180px;
    background: rgba(18, 18, 24, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
    transform: translateX(-50%) translateY(4px);
    z-index: 1000;
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
    display: block;
    padding: 8px 14px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

.nav-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

/* Submenu for Lite → Components */
.nav-dropdown-submenu {
    position: relative;
}

.nav-dropdown-submenu > .nav-dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-dropdown-submenu > .nav-dropdown-item .sub-arrow {
    font-size: 0.6em;
    opacity: 0.5;
}

.nav-submenu {
    position: absolute;
    left: calc(100% + 4px);
    top: -6px;
    min-width: 160px;
    background: rgba(18, 18, 24, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 1001;
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.nav-dropdown-submenu:hover > .nav-submenu {
    opacity: 1;
    visibility: visible;
}

.nav-submenu-label {
    padding: 4px 14px 6px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.nav-submenu-item {
    display: block;
    padding: 7px 14px;
    color: var(--text-secondary);
    font-size: 0.83rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

.nav-submenu-item:hover {
    background: rgba(158, 140, 252, 0.1);
    color: var(--neon-purple);
}

/* Mobile dropdown */
@media (max-width: 959px) {
    .nav-dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: transparent;
        border: none;
        border-radius: 0;
        padding: 0 0 0 16px;
        box-shadow: none;
        backdrop-filter: none;
        min-width: auto;
    }

    .nav-dropdown:hover .nav-dropdown-menu {
        transform: none;
    }

    .nav-dropdown-item {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    .nav-submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        background: transparent;
        border: none;
        border-radius: 0;
        padding: 0 0 0 16px;
        box-shadow: none;
        backdrop-filter: none;
        min-width: auto;
    }

    .nav-submenu-label {
        padding: 4px 12px;
    }

    .nav-submenu-item {
        padding: 6px 12px;
    }
}

/* Cloud button with animated glow */
.nav-btn-cloud {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #9e8cfc, #8ae8ff);
    color: #000;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 50px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 0 16px rgba(158, 140, 252, 0.3);
}

.nav-btn-cloud::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.nav-btn-cloud:hover::before {
    transform: translateX(100%);
}

.nav-btn-cloud:hover {
    box-shadow: 0 0 28px rgba(158, 140, 252, 0.5), 0 0 56px rgba(138, 232, 255, 0.2);
    transform: translateY(-1px);
}

.cloud-icon {
    font-size: 1.1rem;
    line-height: 1;
}

/* ============================================
   Page Header (used on all sub-pages)
   ============================================ */

.page-header {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header .hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
}

.page-header-glow-1 {
    width: 500px;
    height: 500px;
    top: -150px;
    left: -50px;
    background: radial-gradient(circle, rgba(158, 140, 252, 0.12) 0%, transparent 70%);
}

.page-header-glow-2 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    background: radial-gradient(circle, rgba(138, 232, 255, 0.1) 0%, transparent 70%);
}

.page-header .section-tag {
    position: relative;
    z-index: 1;
}

.page-header .section-title {
    position: relative;
    z-index: 1;
}

.page-header .section-subtitle {
    position: relative;
    z-index: 1;
}

.page-breadcrumb {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.page-breadcrumb a {
    color: var(--text-tertiary);
    transition: color 0.2s;
}

.page-breadcrumb a:hover {
    color: var(--neon-purple);
}

/* ============================================
   Product Page Styles
   ============================================ */

.product-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 40px 0 80px;
}

.product-hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 16px;
}

.product-hero-content .version-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--neon-lime);
    background: rgba(196, 240, 66, 0.1);
    border: 1px solid rgba(196, 240, 66, 0.2);
    padding: 4px 12px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.product-hero-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.product-stats-bar {
    display: flex;
    gap: 32px;
    margin-top: 32px;
}

.product-stat {
    text-align: center;
}

.product-stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.product-hero-visual {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    overflow: hidden;
}

/* Feature Detail Sections */
.feature-detail {
    padding: 80px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.feature-detail:nth-child(even) {
    background: var(--bg-surface);
}

.feature-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.feature-detail-grid.reversed {
    direction: rtl;
}

.feature-detail-grid.reversed > * {
    direction: ltr;
}

.feature-detail-content h2 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.feature-detail-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.feature-detail-content ul {
    list-style: none;
    margin-bottom: 16px;
}

.feature-detail-content li {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    padding: 6px 0 6px 20px;
    position: relative;
}

.feature-detail-content li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--neon-lime);
    font-size: 0.75rem;
}

.feature-code-block {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    overflow: hidden;
}

.feature-code-block .code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-card);
}

.feature-code-block pre {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    overflow-x: auto;
    margin: 0;
}

/* ============================================
   Use Cases Page
   ============================================ */

.uc-detail-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    position: sticky;
    top: 64px;
    background: var(--bg-primary);
    padding: 16px 0;
    z-index: 50;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.uc-search {
    width: 100%;
    max-width: 400px;
    margin-bottom: 16px;
    padding: 10px 16px 10px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 50px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.2s;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.3)' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 14px center;
}

.uc-search:focus {
    border-color: rgba(158, 140, 252, 0.4);
}

.uc-search::placeholder {
    color: var(--text-tertiary);
}

.uc-detail-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.uc-detail-item {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: all 0.25s ease;
}

.uc-detail-item:hover {
    border-color: var(--border-card-hover);
}

.uc-detail-item.open {
    border-color: rgba(158, 140, 252, 0.2);
}

.uc-detail-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.uc-detail-header:hover {
    background: rgba(255, 255, 255, 0.02);
}

.uc-detail-header h3 {
    flex: 1;
    font-size: 1rem;
    font-weight: 600;
}

.uc-detail-sector {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--neon-purple);
    background: rgba(158, 140, 252, 0.1);
    padding: 3px 10px;
    border-radius: 4px;
    white-space: nowrap;
}

.uc-detail-chevron {
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.uc-detail-item.open .uc-detail-chevron {
    transform: rotate(180deg);
}

.uc-detail-body {
    display: none;
    padding: 0 24px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.uc-detail-item.open .uc-detail-body {
    display: block;
}

.uc-detail-body h2,
.uc-detail-body h3,
.uc-detail-body h4 {
    margin-top: 24px;
    margin-bottom: 8px;
}

.uc-detail-body h2 { font-size: 1.375rem; }
.uc-detail-body h3 { font-size: 1.125rem; }
.uc-detail-body h4 { font-size: 1rem; color: var(--text-secondary); }

.uc-detail-body p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.uc-detail-body ul,
.uc-detail-body ol {
    margin-bottom: 12px;
    padding-left: 24px;
}

.uc-detail-body li {
    color: var(--text-secondary);
    padding: 4px 0;
    line-height: 1.6;
}

.uc-detail-body pre {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    overflow-x: auto;
    margin: 12px 0;
}

.uc-detail-body code {
    font-family: var(--font-mono);
    font-size: 0.85em;
}

.uc-detail-body p code {
    background: rgba(158, 140, 252, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--neon-purple);
}

.uc-detail-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 0.875rem;
}

.uc-detail-body th,
.uc-detail-body td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.uc-detail-body th {
    color: var(--text-tertiary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.uc-detail-body td {
    color: var(--text-secondary);
}

.uc-detail-body strong {
    color: var(--text-primary);
}

/* ============================================
   Investors Page
   ============================================ */

.patent-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.patent-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    padding: 28px;
    transition: all 0.3s ease;
}

.patent-card:hover {
    border-color: var(--border-card-hover);
}

.patent-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.patent-list {
    list-style: none;
}

.patent-list li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    justify-content: space-between;
}

.patent-value {
    font-family: var(--font-mono);
    color: var(--neon-lime);
    font-weight: 600;
}

.roi-section {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    padding: 40px;
    margin: 48px 0;
}

.roi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 24px;
}

.roi-item {
    text-align: center;
}

.roi-value {
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.roi-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ============================================
   Blog Page
   ============================================ */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: all 0.3s ease;
}

.blog-card:hover {
    border-color: var(--border-card-hover);
    transform: translateY(-4px);
}

.blog-card-image {
    height: 180px;
    background: linear-gradient(135deg, rgba(158, 140, 252, 0.15), rgba(138, 232, 255, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    opacity: 0.6;
}

.blog-card-content {
    padding: 24px;
}

.blog-card-date {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    margin-bottom: 8px;
}

.blog-card-content h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
}

.blog-card-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.blog-read-more {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--neon-purple);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s;
}

.blog-read-more:hover {
    gap: 8px;
}

/* Blog post page */
.blog-post {
    max-width: 720px;
    margin: 0 auto;
    padding: 40px 0 80px;
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.blog-post-tag {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    padding: 3px 10px;
    background: rgba(158, 140, 252, 0.1);
    border-radius: 4px;
    color: var(--neon-purple);
}

.blog-post h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 24px;
}

.blog-post p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
    font-size: 1.0625rem;
}

.blog-post h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 12px;
}

.blog-post pre {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    overflow-x: auto;
    margin: 20px 0;
}

/* ============================================
   Careers Page (Accordion)
   ============================================ */

.careers-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.career-item {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: all 0.3s ease;
}

.career-item:hover {
    border-color: var(--border-card-hover);
}

.career-item.open {
    border-color: rgba(158, 140, 252, 0.2);
}

.career-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.career-header:hover {
    background: rgba(255, 255, 255, 0.02);
}

.career-header h3 {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 600;
}

.career-meta {
    display: flex;
    gap: 8px;
}

.career-tag {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    padding: 3px 10px;
    background: rgba(138, 232, 255, 0.1);
    border-radius: 4px;
    color: var(--neon-blue);
    white-space: nowrap;
}

.career-chevron {
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.career-item.open .career-chevron {
    transform: rotate(180deg);
}

.career-body {
    display: none;
    padding: 0 24px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.career-item.open .career-body {
    display: block;
}

.career-body p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.career-body h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 16px;
    margin-bottom: 8px;
}

.career-body ul {
    list-style: none;
    margin-bottom: 12px;
}

.career-body li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 4px 0 4px 16px;
    position: relative;
}

.career-body li::before {
    content: '\2022';
    position: absolute;
    left: 0;
    color: var(--neon-purple);
}

.career-apply-btn {
    margin-top: 16px;
}

/* ============================================
   Contact Form
   ============================================ */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: rgba(158, 140, 252, 0.4);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-group select option {
    background: #111;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--card-radius);
    padding: 24px;
}

.contact-info-card h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--neon-purple);
    margin-bottom: 4px;
}

.contact-info-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.contact-info-card a {
    color: var(--neon-blue);
    transition: color 0.2s;
}

.contact-info-card a:hover {
    color: var(--text-primary);
}

/* ============================================
   Responsive overrides for pages
   ============================================ */

@media (max-width: 959px) {
    .product-hero {
        grid-template-columns: 1fr;
    }

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

    .roi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .feature-detail-grid,
    .feature-detail-grid.reversed {
        grid-template-columns: 1fr;
        direction: ltr;
    }
}

@media (max-width: 809px) {
    .uc-detail-filters {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

@media (max-width: 479px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

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

    .product-stats-bar {
        flex-wrap: wrap;
        gap: 16px;
    }

    .page-header {
        padding: 100px 0 40px;
    }
}

/* ===== USE CASES DETAIL PAGE ===== */

.uc-controls {
    max-width: 900px;
    margin: 0 auto;
}

.uc-search-wrap {
    position: relative;
    margin-bottom: 20px;
}

.uc-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.uc-search {
    width: 100%;
    padding: 14px 120px 14px 44px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.uc-search:focus {
    border-color: var(--neon-purple);
    box-shadow: 0 0 0 3px rgba(158, 140, 252, 0.15);
}

.uc-search::placeholder {
    color: var(--text-muted);
}

.uc-search-count {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.uc-filter-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.uc-filter-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    min-width: 52px;
}

.uc-filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.uc-filter-scroll {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.uc-filter-scroll::-webkit-scrollbar {
    display: none;
}

.uc-filter-wrap {
    flex-wrap: wrap;
}

.uc-filter-btn {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.uc-filter-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.uc-filter-btn.active {
    background: rgba(158, 140, 252, 0.15);
    border-color: var(--neon-purple);
    color: var(--neon-purple);
}

/* Use Cases List */

.uc-list {
    max-width: 900px;
    margin: 0 auto;
}

.uc-area-group {
    margin-bottom: 40px;
}

.uc-area-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    gap: 10px;
}

.uc-area-count {
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
    padding: 2px 8px;
    border-radius: 10px;
}

.uc-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    margin-bottom: 8px;
    overflow: hidden;
    transition: border-color 0.2s, background 0.2s;
}

.uc-item:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.03);
}

.uc-item.open {
    border-color: rgba(158, 140, 252, 0.3);
    background: rgba(255, 255, 255, 0.03);
}

.uc-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    cursor: pointer;
    gap: 12px;
}

.uc-item-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.uc-tier-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: 1px solid;
    border-radius: 6px;
    padding: 2px 8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.uc-item-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.uc-chevron {
    flex-shrink: 0;
    color: var(--text-muted);
    transition: transform 0.25s;
}

.uc-item.open .uc-chevron {
    transform: rotate(180deg);
}

.uc-item-body {
    padding: 0 18px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.uc-item-content {
    padding-top: 18px;
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.uc-item-content h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 28px 0 12px;
}

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

.uc-item-content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 22px 0 8px;
}

.uc-item-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 18px 0 6px;
}

.uc-item-content p {
    margin: 0 0 12px;
}

.uc-item-content ul,
.uc-item-content ol {
    margin: 0 0 12px;
    padding-left: 20px;
}

.uc-item-content li {
    margin-bottom: 4px;
}

.uc-item-content pre {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 16px;
    overflow-x: auto;
    margin: 12px 0;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.uc-item-content code {
    font-family: var(--font-mono);
    font-size: 0.85em;
}

.uc-item-content p code,
.uc-item-content li code {
    background: rgba(158, 140, 252, 0.1);
    padding: 1px 5px;
    border-radius: 4px;
    color: var(--neon-purple);
}

.uc-item-content hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin: 20px 0;
}

.uc-item-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.uc-item-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 0.82rem;
}

.uc-item-content th,
.uc-item-content td {
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 8px 12px;
    text-align: left;
}

.uc-item-content th {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    font-weight: 600;
}

/* Empty state */
.uc-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    text-align: center;
    color: var(--text-muted);
}

/* Use Cases Responsive */
@media (max-width: 809px) {
    .uc-filter-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .uc-filter-group {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .uc-item-title {
        font-size: 0.82rem;
    }
}

@media (max-width: 479px) {
    .uc-item-header {
        padding: 12px 14px;
    }

    .uc-item-body {
        padding: 0 14px 16px;
    }

    .uc-item-content pre {
        font-size: 0.75rem;
        padding: 12px;
    }
}