/* ==========================================================================
   PLUS for Node-RED - Protocol Use Cases Styles
   Modern Industrial IoT Showcase
   ========================================================================== */

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

#protocol-hero {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
    min-height: 100vh;
    min-height: 100dvh;
    padding: calc(var(--navbar-height) + var(--space-2xl)) var(--space-md) var(--space-2xl);
    
    background: 
        radial-gradient(ellipse at top left, rgba(226, 0, 54, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(140, 226, 231, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
    animation: fadeInUp var(--duration-slow) var(--ease-out);
}

.hero-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(140, 226, 231, 0.15);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-full);
    color: var(--color-accent);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    width: fit-content;
    margin: 0 auto;
}

#protocol-hero h1 {
    font-size: var(--text-3xl);
    line-height: var(--leading-tight);
    max-width: 600px;
    margin: 0 auto;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto;
    line-height: var(--leading-relaxed);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
    flex-wrap: wrap;
}

/* Hero Buttons - Mobile First */
.hero-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    width: 100%;
}

.hero-buttons .btn {
    width: 100%;
    max-width: 280px;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        width: auto;
    }

    .hero-buttons .btn {
        width: auto;
        max-width: none;
    }
}

@media (min-width: 1024px) {
    .hero-buttons {
        justify-content: flex-start;
    }
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2xs);
}

.stat-number {
    font-size: var(--text-3xl);
    font-weight: var(--font-extrabold);
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hero Visual - Protocol Orbit */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 300px;
}

.protocol-orbit {
    position: relative;
    width: 280px;
    height: 280px;
    animation: float 6s ease-in-out infinite;
}

.orbit-ring {
    position: absolute;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.ring-1 {
    width: 100px;
    height: 100px;
    border-color: rgba(226, 0, 54, 0.3);
}

.ring-2 {
    width: 180px;
    height: 180px;
    border-color: rgba(140, 226, 231, 0.2);
    animation: pulse 3s ease-in-out infinite;
}

.ring-3 {
    width: 260px;
    height: 260px;
    border-color: rgba(255, 255, 255, 0.1);
}

.protocol-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2xs);
    padding: var(--space-sm);
    background: var(--color-bg-card);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border);
    transition: all var(--transition-slow);
    cursor: pointer;
}

.protocol-node:hover {
    transform: scale(1.1);
    z-index: 10;
}

.protocol-node-icon {
    font-size: var(--text-sm);
    font-weight: var(--font-extrabold);
    letter-spacing: -0.02em;
    line-height: 1;
}

.protocol-node span:last-child {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    white-space: nowrap;
}

/* Central MQTT Node */
.node-mqtt-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    border-color: #06b6d4;
    box-shadow: 
        0 0 20px rgba(6, 182, 212, 0.4),
        0 0 40px rgba(6, 182, 212, 0.2);
    animation: pulse-mqtt 2s ease-in-out infinite;
}

.node-mqtt-center .protocol-node-icon {
    font-size: var(--text-lg);
    color: white;
}

.node-mqtt-center span:last-child {
    font-size: var(--text-sm);
    color: white;
}

@keyframes pulse-mqtt {
    0%, 100% {
        box-shadow: 
            0 0 20px rgba(6, 182, 212, 0.4),
            0 0 40px rgba(6, 182, 212, 0.2);
    }
    50% {
        box-shadow: 
            0 0 30px rgba(6, 182, 212, 0.6),
            0 0 60px rgba(6, 182, 212, 0.3);
    }
}

.node-opcua {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.node-opcua:hover {
    box-shadow: var(--shadow-glow-primary);
    transform: translateX(-50%) scale(1.1);
}

.node-bacnet {
    bottom: 15%;
    left: 5%;
    border-color: #10b981;
    color: #10b981;
}

.node-bacnet:hover {
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.4);
}

.node-modbus {
    bottom: 15%;
    right: 5%;
    border-color: #f59e0b;
    color: #f59e0b;
}

.node-modbus:hover {
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.4);
}

/* ==========================================================================
   PROTOCOL SECTIONS
   ========================================================================== */

.protocol-section {
    padding: var(--space-2xl) var(--space-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
    width: 100%;
    overflow-x: hidden;
}

@media (min-width: 640px) {
    .protocol-section {
        padding: var(--space-3xl) var(--space-md);
        gap: var(--space-2xl);
    }
}

.protocol-section.alt-bg {
    background: var(--color-surface-light);
}

.protocol-section.alt-bg * {
    color: var(--color-text-dark);
}

.protocol-section.alt-bg .section-header {
    max-width: 100%;
    padding: 0 var(--space-sm);
}

.protocol-section.alt-bg .section-header h2,
.protocol-section.alt-bg .section-header p {
    color: var(--color-text-dark);
}

.protocol-section.alt-bg .feature-text p,
.protocol-section.alt-bg .use-case-card-modern p,
.protocol-section.alt-bg .protocol-description > p {
    color: #4b5563;
}

.protocol-section.alt-bg .btn-secondary {
    border-color: var(--color-text-dark);
    color: var(--color-text-dark);
}

.protocol-section.alt-bg .btn-secondary:hover {
    background: var(--color-text-dark);
    color: var(--color-surface-light);
}

/* Protocol Header */
.protocol-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    text-align: center;
    max-width: var(--container-lg);
}

.protocol-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-2xl);
    background: var(--color-bg-card);
    border: 2px solid;
}

.protocol-icon svg {
    width: 40px;
    height: 40px;
}

.opcua-icon {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(226, 0, 54, 0.1) 0%, rgba(226, 0, 54, 0.05) 100%);
}

.opcua-icon svg {
    color: var(--color-primary);
}

.bacnet-icon {
    border-color: #10b981;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.bacnet-icon svg {
    color: #10b981;
}

.modbus-icon {
    border-color: #f59e0b;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.modbus-icon svg {
    color: #f59e0b;
}

/* Text-Based Protocol Icons */
.protocol-icon-text {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-2xl);
    font-size: var(--text-2xl);
    font-weight: var(--font-extrabold);
    letter-spacing: -0.02em;
    border: 2px solid;
}

.protocol-icon-text.opcua-accent {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(226, 0, 54, 0.15) 0%, rgba(226, 0, 54, 0.05) 100%);
    color: var(--color-primary);
}

.protocol-icon-text.bacnet-accent {
    border-color: #10b981;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.05) 100%);
    color: #10b981;
}

.protocol-icon-text.modbus-accent {
    border-color: #f59e0b;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(245, 158, 11, 0.05) 100%);
    color: #f59e0b;
}

/* Feature Markers (replacing SVG icons) */
.feature-marker {
    flex-shrink: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-top: 6px;
}

.feature-marker.opcua-marker {
    background: var(--color-primary);
    box-shadow: 0 0 12px rgba(226, 0, 54, 0.4);
}

.feature-marker.bacnet-marker {
    background: #10b981;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
}

.feature-marker.modbus-marker {
    background: #f59e0b;
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.4);
}

.protocol-title-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.protocol-label {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.protocol-section.alt-bg .protocol-label {
    color: #6b7280;
}

.protocol-title-group h2 {
    font-size: var(--text-4xl);
    margin: 0;
}

.protocol-tagline {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin: 0;
}

/* Protocol Content */
.protocol-content {
    width: 100%;
    max-width: var(--container-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    padding: 0 var(--space-xs);
    box-sizing: border-box;
}

@media (min-width: 640px) {
    .protocol-content {
        gap: var(--space-2xl);
        padding: 0;
    }
}

.protocol-description {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .protocol-description {
        gap: var(--space-lg);
    }
}

.protocol-description h3 {
    font-size: var(--text-xl);
    text-align: center;
}

@media (min-width: 640px) {
    .protocol-description h3 {
        font-size: var(--text-2xl);
    }
}

.protocol-description > p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

@media (min-width: 640px) {
    .protocol-description > p {
        font-size: var(--text-lg);
    }
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.feature-item {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-slow);
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 640px) {
    .feature-item {
        gap: var(--space-md);
        padding: var(--space-lg);
    }
}

.protocol-section.alt-bg .feature-item {
    background: white;
    border-color: #e5e7eb;
}

.feature-item:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

/* Feature Items now use simple markers - see .feature-marker above */

.feature-text h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2xs);
}

.feature-text p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

/* Use Case Showcase */
.use-case-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.use-case-showcase h3 {
    font-size: var(--text-2xl);
    text-align: center;
}

.use-case-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.use-case-card-modern {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition-slow);
}

.protocol-section.alt-bg .use-case-card-modern {
    background: white;
    border-color: #e5e7eb;
}

.use-case-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.opcua-gradient {
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.bacnet-gradient {
    background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
}

.modbus-gradient {
    background: linear-gradient(90deg, #f59e0b 0%, #fbbf24 100%);
}

.card-content {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

@media (min-width: 640px) {
    .card-content {
        padding: var(--space-xl);
    }
}

.card-content h4 {
    font-size: var(--text-xl);
}

.card-content p {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

.use-case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.use-case-tags li {
    padding: var(--space-2xs) var(--space-sm);
    background: rgba(140, 226, 231, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-accent);
}

.protocol-section.alt-bg .use-case-tags li {
    background: rgba(7, 160, 150, 0.1);
    color: var(--color-accent-dark);
}

/* Protocol CTA */
.protocol-cta {
    display: flex;
    justify-content: center;
    margin-top: var(--space-lg);
}

.protocol-cta .btn svg {
    margin-left: var(--space-xs);
    transition: transform var(--transition-fast);
}

.protocol-cta .btn:hover svg {
    transform: translateX(4px);
}

/* ==========================================================================
   COMPARISON TABLE
   ========================================================================== */

.comparison-table-container {
    width: 100%;
    max-width: var(--container-xl);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: var(--space-sm);
    margin: 0 auto;
    position: relative;
}

/* Scroll indicator for mobile */
.comparison-table-container::after {
    content: '← swipe →';
    display: block;
    text-align: center;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    padding: var(--space-xs) 0;
    opacity: 0.7;
}

@media (min-width: 768px) {
    .comparison-table-container {
        padding: var(--space-md);
    }

    .comparison-table-container::after {
        display: none;
    }
}

.comparison-table {
    width: 100%;
    min-width: 480px;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.comparison-table th,
.comparison-table td {
    padding: var(--space-xs) var(--space-sm);
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
    font-size: var(--text-xs);
    white-space: nowrap;
}

@media (min-width: 480px) {
    .comparison-table th,
    .comparison-table td {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--text-sm);
    }
}

@media (min-width: 768px) {
    .comparison-table {
        min-width: auto;
        border-radius: var(--radius-xl);
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--space-md) var(--space-lg);
        font-size: var(--text-base);
        white-space: normal;
    }
}

.comparison-table th {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.comparison-table th:first-child {
    border-radius: var(--radius-xl) 0 0 0;
}

.comparison-table th:last-child {
    border-radius: 0 var(--radius-xl) 0 0;
}

.comparison-table td:first-child {
    font-weight: var(--font-medium);
    color: var(--color-text-dark);
}

.comparison-table tbody tr:last-child td:first-child {
    border-radius: 0 0 0 var(--radius-xl);
}

.comparison-table tbody tr:last-child td:last-child {
    border-radius: 0 0 var(--radius-xl) 0;
}

.comparison-table tbody tr:hover {
    background: #f9fafb;
}

.opcua-col { color: var(--color-primary) !important; }
.bacnet-col { color: #10b981 !important; }
.modbus-col { color: #f59e0b !important; }

.rating {
    display: inline-block;
    padding: var(--space-2xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
}

.rating.high {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.rating.medium {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.rating.low {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.cta-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    padding: var(--space-3xl) var(--space-md);
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    align-items: center;
}

.cta-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
}

.cta-content h2 {
    font-size: var(--text-3xl);
    max-width: 500px;
}

.cta-content p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 450px;
}

.cta-visual {
    display: flex;
    justify-content: center;
}

.cta-visual img {
    max-width: 100%;
    border-radius: var(--radius-xl);
    border: 3px solid var(--color-border);
    box-shadow: var(--shadow-2xl);
}

/* ==========================================================================
   RESPONSIVE - TABLET (min-width: 640px)
   ========================================================================== */

@media (min-width: 640px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .use-case-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==========================================================================
   RESPONSIVE - TABLET LANDSCAPE (min-width: 768px)
   ========================================================================== */

@media (min-width: 768px) {
    #protocol-hero {
        padding: calc(var(--navbar-height-lg) + var(--space-3xl)) var(--space-xl) var(--space-3xl);
    }
    
    #protocol-hero h1 {
        font-size: var(--text-4xl);
        max-width: 700px;
    }
    
    .hero-visual {
        height: 350px;
    }
    
    .protocol-orbit {
        width: 320px;
        height: 320px;
    }
    
    .protocol-section {
        padding: var(--space-4xl) var(--space-xl);
    }
    
    .protocol-header {
        flex-direction: row;
        text-align: left;
        gap: var(--space-xl);
    }
    
    .protocol-title-group {
        align-items: flex-start;
    }
}

/* ==========================================================================
   RESPONSIVE - DESKTOP (min-width: 1024px)
   ========================================================================== */

@media (min-width: 1024px) {
    #protocol-hero {
        grid-template-columns: 1fr 1fr;
        min-height: 90vh;
        padding: calc(var(--navbar-height-lg) + var(--space-3xl)) calc(5vw + var(--space-2xl)) var(--space-3xl);
    }

    .hero-content {
        text-align: left;
        padding-left: var(--space-2xl);
    }

    .hero-badge {
        margin: 0;
    }

    #protocol-hero h1 {
        margin: 0;
        font-size: var(--text-5xl);
    }

    .hero-subtitle {
        margin: 0;
    }

    .hero-stats {
        justify-content: flex-start;
    }
    
    .hero-visual {
        height: 450px;
    }
    
    .protocol-orbit {
        width: 400px;
        height: 400px;
    }
    
    .ring-1 { width: 120px; height: 120px; }
    .ring-2 { width: 240px; height: 240px; }
    .ring-3 { width: 360px; height: 360px; }
    
    .protocol-node {
        padding: var(--space-md);
    }
    
    .protocol-node svg {
        width: 32px;
        height: 32px;
    }
    
    .protocol-node span {
        font-size: var(--text-sm);
    }
    
    .use-case-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .cta-section {
        grid-template-columns: 1fr 1fr;
        padding: var(--space-4xl) var(--space-2xl);
    }
    
    .cta-content {
        text-align: left;
        align-items: flex-start;
    }
    
    .cta-visual img {
        max-width: 500px;
    }
}

/* ==========================================================================
   RESPONSIVE - LARGE DESKTOP (min-width: 1280px)
   ========================================================================== */

@media (min-width: 1280px) {
    #protocol-hero {
        padding: calc(var(--navbar-height-lg) + var(--space-3xl)) calc(8vw + var(--space-2xl)) var(--space-3xl);
    }

    .hero-content {
        padding-left: var(--space-3xl);
    }

    #protocol-hero h1 {
        max-width: 600px;
    }

    .hero-visual {
        height: 500px;
    }
    
    .protocol-orbit {
        width: 450px;
        height: 450px;
    }
    
    .ring-1 { width: 140px; height: 140px; }
    .ring-2 { width: 280px; height: 280px; }
    .ring-3 { width: 420px; height: 420px; }
}

/* ==========================================================================
   PACKAGE DETAIL PAGE STYLES
   ========================================================================== */

.package-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    padding: calc(var(--navbar-height) + var(--space-2xl)) var(--space-md) var(--space-2xl);
    text-align: center;
    min-height: 70vh;
    justify-content: center;
    position: relative;
    overflow: hidden;
    
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(226, 0, 54, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

/* OPC UA Hero - Blue Theme */
.package-hero.opcua-hero {
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg-primary) 0%, #0f172a 100%);
}

.package-hero.opcua-hero .gradient-text {
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* BACnet Hero - Green Theme */
.package-hero.bacnet-hero {
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(20, 184, 166, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg-primary) 0%, #0f2922 100%);
}

.package-hero.bacnet-hero .gradient-text {
    background: linear-gradient(135deg, #10b981 0%, #14b8a6 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Modbus Hero - Amber Theme */
.package-hero.modbus-hero {
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(251, 146, 60, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg-primary) 0%, #1c1310 100%);
}

.package-hero.modbus-hero .gradient-text {
    background: linear-gradient(135deg, #f59e0b 0%, #fb923c 50%, #f97316 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.package-hero h1 {
    font-size: var(--text-4xl);
    line-height: var(--leading-tight);
}

.package-hero .hero-subtitle {
    max-width: 600px;
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* Package Hero Stats */
.package-hero .hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
    justify-content: center;
    margin-top: var(--space-lg);
}

.package-hero .stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.package-hero .stat-number {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
}

.package-hero .stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Protocol-specific stat colors */
.package-hero.opcua-hero .stat-number { color: #3b82f6; }
.package-hero.bacnet-hero .stat-number { color: #10b981; }
.package-hero.modbus-hero .stat-number { color: #f59e0b; }

.package-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
    padding: var(--space-3xl) var(--space-md);
    max-width: var(--container-xl);
    margin: 0 auto;
}

.package-feature {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.package-feature.reverse {
    direction: rtl;
}

.package-feature.reverse > * {
    direction: ltr;
}

.package-feature-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.package-feature-content h3 {
    font-size: var(--text-2xl);
}

.package-feature-content p {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
}

.package-feature-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    border: 3px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

@media (min-width: 1024px) {
    .package-hero {
        display: grid;
        grid-template-columns: 1fr 1fr;
        text-align: left;
        padding: calc(var(--navbar-height-lg) + var(--space-3xl)) var(--space-xl) var(--space-3xl);
        gap: var(--space-2xl);
    }
    
    .package-hero .hero-badge {
        margin: 0;
    }
    
    .package-hero h1 {
        font-size: var(--text-5xl);
        margin: 0;
    }
    
    .package-hero .hero-subtitle {
        margin: 0;
    }
    
    .package-hero .hero-stats {
        justify-content: flex-start;
    }
    
    .package-hero .btn-group {
        justify-content: flex-start;
    }
    
    .package-hero .hero-visual {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .package-features {
        padding: var(--space-4xl) var(--space-xl);
    }
    
    .package-feature {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3xl);
    }
}

/* ==========================================================================
   CONTACT PAGE STYLES
   ========================================================================== */

.contact-page-hero {
    min-height: 50vh;
    min-height: 50dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

@media (min-width: 1024px) {
    .contact-page-hero {
        display: grid;
        grid-template-columns: 1fr 1fr;
        text-align: left;
        gap: var(--space-2xl);
    }
    
    .contact-page-hero .hero-content {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .contact-page-hero .hero-visual {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

.contact-form-container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
    min-height: 800px;
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

/* JotForm Styles */
.contact-form-container iframe,
.contact-form-container .jotform-form {
    width: 100% !important;
    min-height: 750px;
    border: none;
}

/* Override JotForm default styles */
.contact-form-container * {
    max-width: 100%;
}

@media (min-width: 768px) {
    .contact-form-container {
        padding: var(--space-2xl);
    }
}

@media (min-width: 1024px) {
    .contact-form-container {
        padding: var(--space-3xl);
    }
}

/* ==========================================================================
   GLOBAL PAGE HERO VARIANTS
   ========================================================================== */

/* Videos page hero styles are in videos.css */

/* ==========================================================================
   COMING SOON PAGE STYLES
   ========================================================================== */

.coming-soon-hero {
    min-height: 70vh;
    min-height: 70dvh;
}

.coming-soon-hero .protocol-node {
    animation: float 4s ease-in-out infinite;
}

/* Social Links */
.social-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    width: 100%;
}

.social-links .btn {
    width: 100%;
    max-width: 280px;
}

@media (min-width: 640px) {
    .social-links {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        width: auto;
    }

    .social-links .btn {
        width: auto;
        max-width: none;
    }
}