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

/* Thai Font Import */
@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&family=Sarabun:wght@300;400;500;600;700&display=swap');

body {
    font-family: 'Sarabun', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #fff;
    overflow-x: hidden;
    background: #000;
}

html {
    scroll-behavior: smooth;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

nav.scrolled {
    padding: 15px 50px;
    background: rgba(0, 0, 0, 0.95);
}

.logo {
    display: flex;
    align-items: center;
    height: 50px;
}

.logo img {
    height: 120%;
    width: auto;
    max-height: 50px;
    object-fit: contain;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 2px 8px rgba(0, 212, 255, 0.3));
}

.logo img:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.nav-links a:hover {
    color: #00d4ff;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    padding: 15px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    margin-top: 10px;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 12px 25px;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 1px;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.dropdown-menu a:hover {
    background: rgba(0, 212, 255, 0.1);
    border-left: 3px solid #00d4ff;
    color: #00d4ff;
    padding-left: 30px;
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: twinkle 3s infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.earth-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(0, 100, 255, 0.3) 0%, rgba(0, 0, 0, 0.9) 70%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    padding: 0 20px;
}

.hero-subtitle {
    font-size: 16px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #00d4ff;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease;
}

.hero-title {
    font-size: 72px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 1s ease 0.2s both;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
}

.hero-description {
    font-size: 20px;
    line-height: 1.6;
    color: #aaa;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.4s both;
}

.cta-button {
    display: inline-block;
    padding: 18px 45px;
    background: linear-gradient(135deg, #00d4ff, #0066ff);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 2px;
    transition: all 0.3s;
    animation: fadeInUp 1s ease 0.6s both;
    border: 2px solid transparent;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.5);
    border: 2px solid #00d4ff;
    background: transparent;
}

/* Why Section */
.why-section {
    padding: 100px 50px;
    background: linear-gradient(180deg, #000 0%, #0a0a2e 100%);
    text-align: center;
}

.section-title {
    font-size: 48px;
    margin-bottom: 30px;
    background: linear-gradient(135deg, #00d4ff, #0066ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.section-description {
    font-size: 20px;
    line-height: 1.8;
    color: #aaa;
    max-width: 800px;
    margin: 0 auto 60px;
}

/* Services Section */
.services-section {
    padding: 100px 50px;
    background: linear-gradient(180deg, #0a0a2e 0%, #1a1a3e 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s;
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: #00d4ff;
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-title {
    font-size: 24px;
    margin-bottom: 15px;
    color: #00d4ff;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.service-description {
    color: #aaa;
    line-height: 1.6;
}

.sub-services-list {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
}

.sub-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: #aaa;
    font-size: 15px;
    transition: all 0.3s;
}

.sub-item:hover {
    color: #00d4ff;
    transform: translateX(5px);
}

.sub-bullet {
    font-size: 20px;
}

/* New Services Grid */
.services-grid-new {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1300px;
    margin: 0 auto;
}

.services-grid-new .service-card-new:nth-child(1),
.services-grid-new .service-card-new:nth-child(2),
.services-grid-new .service-card-new:nth-child(3) {
    grid-column: span 1;
}

.services-grid-new .service-card-new:nth-child(4),
.services-grid-new .service-card-new:nth-child(5) {
    grid-column: span 1;
}

.service-card-new {
    background: rgba(255, 255, 255, 0.05);
    padding: 35px 25px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.service-card-new:hover {
    transform: translateY(-10px);
    border-color: #00d4ff;
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

.service-icon-new {
    font-size: 48px;
    margin-bottom: 20px;
    text-align: center;
}

.service-title-new {
    font-size: 22px;
    margin-bottom: 15px;
    color: #00d4ff;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
    text-align: center;
}

.service-description-new {
    color: #aaa;
    line-height: 1.6;
    text-align: center;
    flex-grow: 1;
    font-size: 15px;
}

.service-learn-more {
    margin-top: 20px;
    color: #00d4ff;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
}

/* Site Reference Section (New - Merged) */
.site-reference-section {
    padding: 100px 50px;
    background: #ffffff;
    text-align: center;
}

.site-subtitle {
    font-size: 16px;
    color: #0066ff;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease;
}

.site-description {
    font-size: 18px;
    line-height: 1.8;
    color: #333;
    max-width: 900px;
    margin: 0 auto 60px;
}

.site-reference-section .section-title {
    color: #0066ff;
}

/* Customer Logos Grid - 8 images, 4 per row */
.customer-logos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.customer-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
    min-height: 150px;
    padding: 20px;
}

.customer-logo-item:hover {
    transform: translateY(-10px) scale(1.08);
}

.customer-logo-item img {
    max-width: 100%;
    max-height: 120px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.customer-logo-item:hover img {
    transform: scale(1.1);
}

/* CTA Section */
.final-cta {
    padding: 150px 50px;
    background: linear-gradient(180deg, #ffffff 0%, #d0d0d8 10%, #8a8a9e 20%, #4a4a6e 35%, #1a1a2e 50%, #000000 75%, rgba(0, 0, 0, 0.95) 100%);
    text-align: center;
}

.final-cta-title {
    font-size: 56px;
    margin-bottom: 30px;
    line-height: 1.2;
}

.final-cta-description {
    font-size: 20px;
    color: #aaa;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid #00d4ff;
    border-radius: 20px;
    animation: scrollAnimation 2s infinite;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: #00d4ff;
    border-radius: 50%;
    animation: scrollDot 2s infinite;
}

@keyframes scrollAnimation {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

@keyframes scrollDot {
    0% { 
        top: 8px;
        opacity: 1;
    }
    100% { 
        top: 30px;
        opacity: 0;
    }
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ======================================
   TECHNOLOGY PAGES STYLES
   ====================================== */

/* Tech Hero */
.tech-hero {
    height: 60vh;
    min-height: 400px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0a2e 0%, #1a1a3e 50%, #2a2a4e 100%);
}

.tech-hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    padding: 0 20px;
}

.tech-title {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #00d4ff, #0066ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
}

.tech-subtitle {
    font-size: 24px;
    color: #aaa;
    letter-spacing: 2px;
}

/* Tech Content Section */
.tech-content-section {
    padding: 80px 50px;
    background: #ffffff;
}

.tech-content-container {
    max-width: 1200px;
    margin: 0 auto;
}

.tech-intro {
    margin-bottom: 60px;
    text-align: center;
}

.tech-intro .section-title {
    color: #0066ff;
    margin-bottom: 30px;
}

.tech-description {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
    max-width: 900px;
    margin: 0 auto;
}

/* Tech Features */
.tech-features {
    margin-bottom: 60px;
}

.tech-features .subsection-title,
.subsection-title {
    font-size: 32px;
    color: #0066ff;
    text-align: center;
    margin-bottom: 40px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.feature-card {
    background: #f8f9ff;
    padding: 30px;
    border-radius: 15px;
    border: 2px solid #e0e7ff;
    transition: all 0.3s;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.15);
    border-color: #00d4ff;
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    color: #0066ff;
    margin-bottom: 15px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.feature-card p {
    font-size: 16px;
    color: #555;
    line-height: 1.6;
}

/* Tech Applications */
.tech-applications {
    margin-bottom: 50px;
}

.tech-applications .section-title {
    text-align: center;
    color: #0066ff;
    margin-bottom: 50px;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.application-item {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid #00d4ff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.application-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.15);
    border-left-color: #0066ff;
}

.application-item h3 {
    font-size: 16px;
    color: #0066ff;
    margin-bottom: 12px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.application-item p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

/* RFID Specific Styles */
.rfid-tag-container {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8eeff 100%);
    padding: 60px 40px;
    border-radius: 20px;
    margin: 60px 0;
}

.rfid-tag-title {
    font-size: 36px;
    color: #0066ff;
    text-align: center;
    margin-bottom: 50px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.tag-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 35px;
}

.tag-item {
    background: #ffffff;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    text-align: center;
}

.tag-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 35px rgba(0, 102, 255, 0.2);
}

.tag-item-image {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    background: #f8f9ff;
    border-radius: 10px;
    overflow: hidden;
}

.tag-item-image img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.tag-item h4 {
    font-size: 18px;
    color: #0066ff;
    margin-bottom: 10px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.tag-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

/* Product Showcase */
.rfid-tag-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
    margin: 40px 0;
}

.product-item {
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 102, 255, 0.2);
}

.product-image {
    width: 100%;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9ff 0%, #e8eeff 100%);
    padding: 20px;
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-info {
    padding: 25px;
}

.product-info h4 {
    font-size: 20px;
    color: #0066ff;
    margin-bottom: 15px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.product-info p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 8px;
}

/* Applications Image Grid */
.applications-image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 35px;
    margin: 40px 0;
}

.app-image-item {
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.app-image-item:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.2);
}

.app-image-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* RTLS Specific Styles */
.solution-section {
    padding: 80px 50px;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
}

.solution-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.solution-content h2 {
    font-size: 42px;
    color: #0066ff;
    margin-bottom: 30px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.solution-content p {
    font-size: 18px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 20px;
}

.solution-image {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.solution-image img {
    width: 100%;
    height: auto;
    display: block;
}

.solution-title {
    font-size: 48px;
    color: #0066ff;
    text-align: center;
    margin-bottom: 50px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.solution-images-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

/* Topology Styles */
.topology-section {
    padding: 80px 50px;
    background: #ffffff;
}

.topology-title {
    font-size: 28px;
    color: #0066ff;
    margin-bottom: 30px;
    padding-left: 20px;
    border-left: 5px solid #00d4ff;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.topology-image {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
}

.topology-double-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
    margin-top: 50px;
}

.topology-content-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    padding: 40px;
    background: linear-gradient(135deg, #f8f9ff 0%, #e8eeff 100%);
    border-radius: 20px;
    margin: 40px 0;
}

.topology-arrow {
    font-size: 48px;
    color: #00d4ff;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
    margin: 40px 0;
}

/* ======================================
   SOFTWARE DEVELOPMENT PAGE STYLES
   ====================================== */

/* Software Development Expertise */
.swdev-expertise {
    display: flex;
    justify-content: center;
    margin: 40px 0;
}

.swdev-expertise-card {
    background: #f8f9ff;
    padding: 40px 60px;
    border-radius: 15px;
    border: 2px solid #e0e7ff;
    max-width: 800px;
    margin: 0 100px;
    transition: all 0.3s;
}

.swdev-expertise-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.15);
    border-color: #00d4ff;
}

.swdev-expertise-card p {
    font-size: 20px;
    line-height: 1.8;
    color: #333;
    text-align: center;
    margin: 0;
}

/* RESPONSIVE - Software Development */
@media (max-width: 1024px) {
    .swdev-expertise-card {
        margin: 0 50px;
        padding: 35px 50px;
    }
    
    .swdev-expertise-card p {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .swdev-expertise {
        margin: 30px 0;
    }
    
    .swdev-expertise-card {
        margin: 0 20px;
        padding: 30px 25px;
    }
    
    .swdev-expertise-card p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .swdev-expertise-card {
        margin: 0 10px;
        padding: 25px 20px;
    }
    
    .swdev-expertise-card p {
        font-size: 15px;
    }
}

/* ======================================
   IoT PAGE STYLES
   ====================================== */

/* IoT Technology Grid */
.iot-tech-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    max-width: 1200px;
    margin: 0 auto;
}

.iot-tech-card {
    padding: 12px 8px;
    text-align: center;
    border-radius: 10px;
    background: #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.iot-tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 102, 255, 0.2);
}

.iot-tech-icon {
    width: 40px;
    height: auto;
    margin-bottom: 20px;
    margin-top: 10px;
}

.iot-tech-title {
    font-size: 14px;
    line-height: 1.3;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.iot-tech-link {
    text-decoration: none;
    color: #000;
    transition: color 0.3s;
}

.iot-tech-link:hover {
    color: #0d6efd;
}

/* IoT Sections */
.iot-section {
    margin-top: 80px;
}

.iot-section-title {
    text-align: left;
    font-size: 32px;
    color: #0066ff;
    margin-bottom: 40px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.iot-subsection-title {
    text-align: left;
    font-size: 22px;
    color: #000;
    margin-top: 50px;
    margin-bottom: 30px;
    font-weight: 600;
}

/* IoT Content Row (Device + Arrow + Interface) */
.iot-content-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 100px;
    margin-bottom: 50px;
}

.iot-device-image {
    text-align: center;
}

.iot-device-image img {
    width: 200px;
    height: auto;
}

.iot-arrow {
    text-align: center;
}

.iot-arrow img {
    width: 60px;
    height: auto;
}

.iot-interface-image {
    text-align: center;
}

.iot-interface-image img {
    width: 550px;
    height: auto;
    max-width: 100%;
}

/* IoT Image Grids */
.iot-image-grid-2 {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 100px;
    margin-top: 50px;
}

.iot-image-item {
    text-align: center;
}

.iot-image-item img {
    width: 500px;
    height: auto;
    max-width: 100%;
}

.iot-full-image {
    text-align: center;
    margin-top: 50px;
}

.iot-full-image img {
    width: 100%;
    max-width: 1000px;
    height: auto;
}

/* IoT Feature List */
.iot-feature-list {
    text-align: left;
    margin-top: 30px;
}

.iot-feature-list p {
    color: #000;
    line-height: 1.8;
    font-size: 16px;
    margin-bottom: 15px;
}

.iot-feature-list strong {
    color: #0066ff;
}

/* RESPONSIVE - IoT */
@media (max-width: 1024px) {
    .iot-tech-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .iot-content-row {
        gap: 60px;
    }
    
    .iot-interface-image img {
        width: 450px;
    }
    
    .iot-image-grid-2 {
        gap: 60px;
    }
    
    .iot-image-item img {
        width: 400px;
    }
}

@media (max-width: 768px) {
    .iot-tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .iot-tech-icon {
        width: 35px;
        margin-bottom: 15px;
    }
    
    .iot-tech-title {
        font-size: 13px;
        min-height: 50px;
    }
    
    .iot-section-title {
        font-size: 26px;
    }
    
    .iot-subsection-title {
        font-size: 18px;
        margin-top: 30px;
    }
    
    /* Stack Content Row */
    .iot-content-row {
        flex-direction: column;
        gap: 30px;
    }
    
    .iot-device-image img {
        width: 150px;
    }
    
    .iot-arrow {
        transform: rotate(90deg);
    }
    
    .iot-arrow img {
        width: 40px;
    }
    
    .iot-interface-image img {
        width: 100%;
        max-width: 400px;
    }
    
    /* Stack Image Grid */
    .iot-image-grid-2 {
        flex-direction: column;
        gap: 30px;
    }
    
    .iot-image-item img {
        width: 100%;
        max-width: 400px;
    }
    
    .iot-full-image img {
        width: 100%;
    }
    
    .iot-feature-list p {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .iot-tech-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .iot-tech-card {
        padding: 10px 6px;
    }
    
    .iot-tech-icon {
        width: 30px;
        margin-bottom: 10px;
    }
    
    .iot-tech-title {
        font-size: 12px;
        min-height: 40px;
    }
    
    .iot-section-title {
        font-size: 22px;
    }
    
    .iot-subsection-title {
        font-size: 16px;
    }
    
    .iot-device-image img {
        width: 120px;
    }
    
    .iot-arrow img {
        width: 30px;
    }
    
    .iot-interface-image img {
        max-width: 300px;
    }
    
    .iot-image-item img {
        max-width: 300px;
    }
    
    .iot-feature-list p {
        font-size: 14px;
    }
}

/* ======================================
   GPS SMART WATCH PAGE STYLES
   ====================================== */

/* GPS Watch Grid */
.gps-watch-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.gps-watch-card {
    background: #f8f9ff;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s;
}

.gps-watch-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.15);
}

.gps-watch-image {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.gps-watch-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Telecare Section */
.telecare-section {
    background: linear-gradient(180deg, #ffffff 0%, #f8f9ff 100%);
    margin-top: -150px;
}

.telecare-features {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.telecare-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.telecare-image-container {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.telecare-image {
    width: 70%;
    height: auto;
    max-width: 800px;
}

/* Benefits Section */
.telecare-benefits {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: -20px;
}

.benefits-title {
    font-size: 36px;
}

.benefits-container {
    max-width: 900px;
    width: 100%;
}

.benefits-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-bottom: 25px;
}

.benefits-single {
    display: flex;
    justify-content: center;
}

.benefits-single .application-item {
    max-width: 450px;
    width: 100%;
}

/* RESPONSIVE - GPS SMART WATCH */
@media (max-width: 1024px) {
    .gps-watch-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .gps-watch-grid .gps-watch-card:last-child {
        grid-column: span 2;
    }
    
    .telecare-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .gps-watch-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .gps-watch-grid .gps-watch-card:last-child {
        grid-column: 1;
    }
    
    .gps-watch-image {
        height: 180px;
    }
    
    .telecare-section {
        margin-top: 0;
        padding-top: 60px;
    }
    
    .telecare-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .telecare-image {
        width: 90%;
    }
    
    .benefits-title {
        font-size: 28px;
    }
    
    .benefits-grid-2 {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .benefits-single .application-item {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .gps-watch-image {
        height: 150px;
    }
    
    .benefits-title {
        font-size: 24px;
    }
    
    .telecare-image {
        width: 100%;
    }
}

/* ======================================
   RTLS PAGE SPECIFIC STYLES
   ====================================== */

/* RTLS Content Grid */
.rtls-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.rtls-text-content {
    display: flex;
    flex-direction: column;
}

.rtls-image-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.rtls-img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.rtls-full-img {
    width: 100%;
    max-width: 1000px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.rtls-subtitle {
    font-size: 16px;
    color: #000;
    margin-bottom: 8px;
    font-weight: 700;
}

.rtls-text {
    color: #555;
    line-height: 1.8;
    font-size: 15px;
    padding-left: 12px;
}

/* RTLS Tech Navigation */
.rtls-tech-nav {
    max-width: 900px;
    margin: 0 auto 60px;
}

/* RTLS Tables */
.rtls-table-container {
    width: 80%;
    margin: 0 auto;
    overflow-x: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e0e0e0;
    transition: box-shadow 0.3s ease;
}

.rtls-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.rtls-table-header {
    background: linear-gradient(135deg, #1a3a52 0%, #2d5a7b 100%);
    position: relative;
}

.rtls-table-header th {
    padding: 18px 24px;
    text-align: left;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 3px solid #00d4ff;
}

.rtls-table-row {
    border-bottom: 1px solid #e8eaed;
    transition: all 0.3s ease;
    cursor: pointer;
}

.rtls-table-row:hover {
    transform: scale(1.01);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.15);
    background: #f0f9ff;
}

.rtls-table-row-last {
    border-bottom: none;
}

.rtls-table-cell-feature {
    padding: 16px 24px;
    color: #1f1f1f;
    font-size: 14px;
    font-weight: 600;
    vertical-align: top;
    background: #fafbfc;
    position: relative;
}

.rtls-table-cell-detail {
    padding: 16px 24px;
    color: #5f6368;
    font-size: 14px;
    line-height: 1.6;
    background: #fafbfc;
}

.rtls-table-row:nth-child(even) .rtls-table-cell-feature,
.rtls-table-row:nth-child(even) .rtls-table-cell-detail {
    background: #ffffff;
}

.rtls-bullet {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #00d4ff;
    border-radius: 50%;
    margin-right: 10px;
}

/* Small Table for Aruba */
.rtls-small-table-container {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    border: 1px solid #e0e0e0;
}

.rtls-small-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.rtls-small-table thead tr {
    background: #1a3a52;
}

.rtls-small-table thead th {
    padding: 12px 18px;
    text-align: left;
    color: #fff;
    font-weight: 600;
    border-bottom: 2px solid #0d2438;
}

.rtls-small-cell-feature {
    padding: 10px 16px;
    color: #1f1f1f;
    font-size: 12px;
    font-weight: 600;
    vertical-align: top;
    background: #fafbfc;
}

.rtls-small-cell-detail {
    padding: 10px 16px;
    color: #5f6368;
    font-size: 12px;
    line-height: 1.6;
    background: #fafbfc;
}

/* Image Grids */
.rtls-image-grid-2 {
    margin-top: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

/* Divider */
.rtls-divider {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    margin: 60px 0;
}

/* Beacon Section Specific */
.beacon-section {
    padding: 0 200px;
}

.beacon-images-flex {
    display: flex;
    margin-left: -200px;
    margin-top: 50px;
}

.beacon-example-title {
    font-size: 20px;
    color: #000;
    margin-bottom: 30px;
    font-weight: 700;
    font-family: 'Prompt', sans-serif;
}

.beacon-table th {
    font-family: 'Prompt', sans-serif;
    border-right: 1px solid rgba(255,255,255,0.2);
}

.beacon-table th:last-child {
    border-right: none;
}

.beacon-table-cell {
    padding: 16px 24px;
    color: #333;
    font-size: 14px;
    line-height: 1.8;
    vertical-align: top;
    background: #fafbfc;
}

.rtls-table-row:nth-child(even) .beacon-table-cell {
    background: #ffffff;
}

.beacon-3-images {
    display: flex;
    gap: 150px;
    margin-top: 50px;
    justify-content: center;
}

.beacon-image-item {
    text-align: center;
}

.beacon-image-item img {
    width: 100%;
    max-width: 250px;
    height: auto;
    margin-bottom: 15px;
}

.beacon-image-item p {
    color: #333;
    font-size: 14px;
    line-height: 1.6;
}

/* RESPONSIVE ADJUSTMENTS FOR RTLS */
@media (max-width: 1024px) {
    .beacon-section {
        padding: 0 100px;
    }
    
    .beacon-3-images {
        gap: 80px;
    }
    
    .beacon-images-flex {
        margin-left: -100px;
    }
}

@media (max-width: 768px) {
    /* RTLS Content Grid - Stack on Mobile */
    .rtls-content-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* Tables - Full Width on Mobile */
    .rtls-table-container {
        width: 100%;
        margin: 0;
    }
    
    .rtls-table {
        font-size: 12px;
    }
    
    .rtls-table-header th {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .rtls-table-cell-feature,
    .rtls-table-cell-detail {
        padding: 12px 16px;
        font-size: 13px;
    }
    
    .beacon-table-cell {
        padding: 12px 16px;
        font-size: 13px;
    }
    
    /* Small Table */
    .rtls-small-table {
        font-size: 11px;
    }
    
    .rtls-small-table thead th {
        padding: 10px 12px;
    }
    
    .rtls-small-cell-feature,
    .rtls-small-cell-detail {
        padding: 8px 12px;
        font-size: 11px;
    }
    
    /* Image Grids */
    .rtls-image-grid-2 {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Beacon Section */
    .beacon-section {
        padding: 0 20px;
    }
    
    .beacon-images-flex {
        flex-direction: column;
        margin-left: 0;
        margin-top: 20px;
        gap: 20px;
    }
    
    .beacon-3-images {
        flex-direction: column;
        gap: 40px;
        align-items: center;
    }
    
    .beacon-image-item img {
        max-width: 200px;
    }
    
    /* Tech Navigation */
    .rtls-tech-nav {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .rtls-table {
        font-size: 11px;
    }
    
    .rtls-table-header th {
        padding: 10px 12px;
        font-size: 12px;
    }
    
    .rtls-table-cell-feature,
    .rtls-table-cell-detail,
    .beacon-table-cell {
        padding: 10px 12px;
        font-size: 12px;
    }
    
    .beacon-example-title {
        font-size: 18px;
    }
}

/* ======================================
   RFID PAGE ADDITIONAL STYLES
   ====================================== */

/* Product Cards */
.product-card {
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 102, 255, 0.2);
}

.product-card .product-image {
    width: 100%;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9ff 0%, #e8eeff 100%);
    padding: 20px;
}

.product-card .product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-title {
    font-size: 22px;
    color: #0066ff;
    margin: 20px 25px 15px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.product-list {
    list-style: none;
    padding: 0 25px 25px;
    margin: 0;
}

.product-list li {
    padding: 10px 0;
    color: #666;
    font-size: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.product-list li:last-child {
    border-bottom: none;
}

.product-list li::before {
    content: '▸';
    color: #00d4ff;
    font-weight: bold;
    margin-right: 10px;
}

/* Tag Item Styles */
.tag-item-title {
    font-size: 18px;
    color: #0066ff;
    margin-bottom: 15px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.tag-item-list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
}

.tag-item-list li {
    padding: 5px 0;
    color: #666;
    font-size: 14px;
}

.tag-item-list li::before {
    content: '•';
    color: #00d4ff;
    font-weight: bold;
    margin-right: 8px;
}

/* App Cards */
.app-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    text-align: center;
}

.app-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 35px rgba(0, 102, 255, 0.2);
}

.app-icon {
    width: 100%;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    background: #f8f9ff;
    border-radius: 10px;
}

.app-icon img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.app-title {
    font-size: 20px;
    color: #0066ff;
    margin-bottom: 15px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.app-list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.app-list li {
    padding: 8px 0;
    color: #666;
    font-size: 15px;
}

.app-list li::before {
    content: '✓';
    color: #00d4ff;
    font-weight: bold;
    margin-right: 10px;
}

/* Solution List */
.solution-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.solution-list li {
    padding: 12px 0;
    color: #555;
    font-size: 18px;
    line-height: 1.6;
}

.solution-list li::before {
    content: '→';
    color: #00d4ff;
    font-weight: bold;
    margin-right: 15px;
    font-size: 24px;
}

.solution-image-item {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.solution-image-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* Topology Styles */
.topology-container {
    max-width: 1200px;
    margin: 0 auto;
}

.topology-item {
    margin-bottom: 60px;
}

.topology-row {
    margin-top: 20px;
}

.topology-content-item {
    background: #ffffff;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.topology-icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 150px;
}

.topology-db-image {
    max-width: 120px;
    height: auto;
}

.topology-list-box {
    flex: 1;
}

.topology-list-title {
    font-size: 20px;
    color: #0066ff;
    margin-bottom: 15px;
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    font-weight: 600;
}

.topology-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.topology-list li {
    padding: 8px 0;
    color: #666;
    font-size: 15px;
}

.topology-list li::before {
    content: '▸';
    color: #00d4ff;
    font-weight: bold;
    margin-right: 10px;
}

/* Tech Dropdown Styles */
.tech-items {
    display: flex;
    justify-content: center;
    gap: 60px;
    align-items: flex-start;
    flex-wrap: wrap;
    margin: 60px 0;
}

.tech-item-wrapper {
    position: relative;
}

.tech-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
}

.tech-icon {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    background: #2f6fb2;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.tech-item:hover .tech-icon {
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
    transform: scale(1.05);
}

.tech-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tech-label {
    margin-left: 15px;
    padding: 10px 20px;
    background: #f2f2f2;
    border-radius: 25px;
    font-weight: 600;
    font-size: 16px;
    color: #333;
    transition: all 0.3s ease;
    user-select: none;
}

.tech-item:hover .tech-label {
    background: #00d4ff;
    color: #fff;
}

/* Dropdown Styles */
.dropdown-content {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 15px;
    background: #fff;
    border-radius: 15px;
    padding: 20px 25px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    min-width: 300px;
    max-width: 350px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.dropdown-content.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-content::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #fff;
}

.dropdown-title {
    font-size: 18px;
    font-weight: 700;
    color: #1a3a52;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #00d4ff;
}

.dropdown-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.dropdown-item {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: #f0f9ff;
    border-radius: 20px;
    font-size: 13px;
    color: #1f1f1f;
    transition: all 0.2s ease;
}

.dropdown-item::before {
    content: '•';
    color: #00d4ff;
    font-weight: bold;
    margin-right: 6px;
}

.dropdown-item:hover {
    background: #00d4ff;
    color: #fff;
    transform: translateY(-2px);
}

.dropdown-item:hover::before {
    color: #fff;
}

/* Close button */
.close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #e0e0e0;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #666;
    transition: all 0.2s ease;
}

.close-btn:hover {
    background: #ff4444;
    color: #fff;
}

/* ======================================
   MOBILE MENU / HAMBURGER STYLES
   ====================================== */

/* Hamburger Menu Button */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 1001;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: #fff;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Hamburger Animation */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* ======================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ====================================== */

/* Large Tablets & Small Desktops (1024px and below) */
@media (max-width: 1024px) {
    /* Navigation */
    nav {
        padding: 15px 30px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .nav-links a {
        font-size: 13px;
    }
    
    /* Hero Section */
    .hero-title {
        font-size: 56px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    /* Sections */
    .why-section,
    .services-section,
    .tech-content-section {
        padding: 80px 30px;
    }
    
    .section-title {
        font-size: 40px;
    }
    
    .section-description {
        font-size: 18px;
    }
    
    /* Services Grid */
    .services-grid-new {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .services-grid-new .service-card-new:nth-child(5) {
        grid-column: span 2;
    }
    
    /* Customer Logos */
    .customer-logos-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
    
    /* Tech Pages */
    .tech-title {
        font-size: 48px;
    }
    
    .solution-container {
        gap: 40px;
    }
    
    .topology-double-row {
        gap: 40px;
    }
}

/* Tablets (768px and below) */
@media (max-width: 768px) {
    /* Navigation */
    nav {
        padding: 15px 20px;
    }
    
    nav.scrolled {
        padding: 12px 20px;
    }
    
    .logo {
        height: 40px;
    }
    
    .logo img {
        max-height: 40px;
    }
    
    /* Show Hamburger Menu */
    .menu-toggle {
        display: flex;
    }
    
    /* Mobile Navigation Links */
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 70px);
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 30px 20px;
        transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        gap: 0;
        overflow-y: auto;
        border-left: 1px solid rgba(0, 212, 255, 0.3);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        width: 100%;
        margin-bottom: 5px;
    }
    
    .nav-links a {
        display: block;
        padding: 15px 20px;
        font-size: 15px;
        border-left: 3px solid transparent;
        transition: all 0.3s;
    }
    
    .nav-links a:hover {
        background: rgba(0, 212, 255, 0.1);
        border-left: 3px solid #00d4ff;
        padding-left: 25px;
    }
    
    /* Mobile Dropdown */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(0, 212, 255, 0.05);
        border: none;
        border-radius: 0;
        padding: 10px 0;
        margin-top: 5px;
        margin-left: 15px;
        min-width: auto;
    }
    
    .dropdown-menu a {
        padding: 12px 20px;
        font-size: 14px;
        border-left: 2px solid rgba(0, 212, 255, 0.3);
    }
    
    .dropdown-menu a:hover {
        background: rgba(0, 212, 255, 0.15);
        border-left: 2px solid #00d4ff;
    }
    
    /* Hero Section */
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 100px 20px 60px;
    }
    
    .hero-subtitle {
        font-size: 14px;
        letter-spacing: 2px;
    }
    
    .hero-title {
        font-size: 42px;
        margin-bottom: 15px;
    }
    
    .hero-description {
        font-size: 16px;
        margin-bottom: 30px;
    }
    
    .cta-button {
        padding: 15px 35px;
        font-size: 14px;
    }
    
    /* Sections */
    .why-section,
    .services-section,
    .tech-content-section,
    .site-reference-section {
        padding: 60px 20px;
    }
    
    .section-title {
        font-size: 32px;
        margin-bottom: 20px;
    }
    
    .section-description {
        font-size: 16px;
        line-height: 1.6;
    }
    
    /* Services Grid */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .services-grid-new {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .services-grid-new .service-card-new:nth-child(1),
    .services-grid-new .service-card-new:nth-child(2),
    .services-grid-new .service-card-new:nth-child(3),
    .services-grid-new .service-card-new:nth-child(4),
    .services-grid-new .service-card-new:nth-child(5) {
        grid-column: 1;
    }
    
    .service-card,
    .service-card-new {
        padding: 25px 20px;
    }
    
    .service-icon,
    .service-icon-new {
        font-size: 38px;
    }
    
    .service-title,
    .service-title-new {
        font-size: 20px;
    }
    
    /* Customer Logos */
    .customer-logos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .customer-logo-item {
        min-height: 100px;
        padding: 15px;
    }
    
    .customer-logo-item img {
        max-height: 80px;
    }
    
    /* Final CTA */
    .final-cta {
        padding: 80px 20px;
    }
    
    .final-cta-title {
        font-size: 36px;
    }
    
    .final-cta-description {
        font-size: 16px;
    }
    
    /* Tech Hero */
    .tech-hero {
        height: 50vh;
        min-height: 350px;
    }
    
    .tech-title {
        font-size: 36px;
    }
    
    .tech-subtitle {
        font-size: 18px;
    }
    
    /* Tech Content */
    .tech-description {
        font-size: 16px;
    }
    
    .subsection-title {
        font-size: 26px;
    }
    
    /* Features Grid */
    .features-grid,
    .applications-grid,
    .product-grid,
    .rfid-tag-showcase {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card {
        padding: 25px 20px;
    }
    
    .feature-card h3 {
        font-size: 20px;
    }
    
    .feature-card p {
        font-size: 15px;
    }
    
    /* RFID Tag Container */
    .rfid-tag-container {
        padding: 40px 20px;
        margin: 40px 0;
    }
    
    .rfid-tag-title {
        font-size: 28px;
    }
    
    .tag-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .tag-item-image {
        height: 150px;
    }
    
    .product-image {
        height: 180px;
    }
    
    /* Applications Image Grid */
    .applications-image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    /* Solution Section */
    .solution-section {
        padding: 60px 20px;
    }
    
    .solution-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .solution-content h2,
    .solution-title {
        font-size: 32px;
    }
    
    .solution-content p {
        font-size: 16px;
    }
    
    .solution-images-row {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 40px;
    }
    
    /* Topology */
    .topology-section {
        padding: 60px 20px;
    }
    
    .topology-title {
        font-size: 22px;
        padding-left: 10px;
    }
    
    .topology-double-row {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .topology-content-row {
        flex-direction: column;
        gap: 20px;
        padding: 25px 20px;
    }
    
    .topology-arrow {
        transform: rotate(90deg);
        font-size: 36px;
    }
    
    /* Tech Dropdown */
    .tech-items {
        gap: 40px;
        margin: 40px 0;
    }
    
    .tech-icon {
        width: 120px;
        height: 120px;
    }
    
    .tech-label {
        font-size: 14px;
        padding: 8px 16px;
    }
    
    .dropdown-content {
        left: 0;
        right: 0;
        transform: none;
        margin: 15px 10px;
        max-width: none;
    }
    
    .dropdown-content.active {
        transform: translateY(0);
    }
    
    .dropdown-content::before {
        left: 20%;
    }
}

/* Mobile Phones (480px and below) */
@media (max-width: 480px) {
    /* Hero Section */
    .hero-title {
        font-size: 32px;
    }
    
    .hero-description {
        font-size: 14px;
    }
    
    .cta-button {
        padding: 12px 28px;
        font-size: 13px;
        letter-spacing: 1px;
    }
    
    /* Sections */
    .section-title {
        font-size: 26px;
    }
    
    .section-description {
        font-size: 15px;
    }
    
    /* Customer Logos */
    .customer-logos-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .customer-logo-item {
        min-height: 80px;
    }
    
    /* Final CTA */
    .final-cta-title {
        font-size: 28px;
    }
    
    .final-cta-description {
        font-size: 15px;
    }
    
    /* Tech Pages */
    .tech-title {
        font-size: 28px;
    }
    
    .tech-subtitle {
        font-size: 16px;
    }
    
    .subsection-title,
    .rfid-tag-title {
        font-size: 24px;
    }
    
    /* Tag Grid */
    .tag-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .tag-item-image {
        height: 180px;
    }
    
    /* Applications Image Grid */
    .applications-image-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Solution */
    .solution-content h2,
    .solution-title {
        font-size: 26px;
    }
    
    .solution-content p {
        font-size: 15px;
    }
    
    /* Tech Items */
    .tech-icon {
        width: 100px;
        height: 100px;
    }
    
    .tech-label {
        font-size: 13px;
        padding: 6px 12px;
        margin-left: 10px;
    }
    
    .dropdown-title {
        font-size: 16px;
    }
    
    .dropdown-item {
        font-size: 12px;
        padding: 5px 10px;
    }
}

/* Extra Small Phones (360px and below) */
@media (max-width: 360px) {
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .tech-title {
        font-size: 24px;
    }
    
    .cta-button {
        padding: 10px 24px;
        font-size: 12px;
    }
}

/* Landscape Mobile Optimization */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 80px 20px 40px;
    }
    
    .tech-hero {
        min-height: 300px;
    }
    
    .scroll-indicator {
        display: none;
    }
}