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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all 0.3s ease;
    overflow: visible;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.logo {
    height: 180px;
    width: auto;
    max-width: 400px;
    object-fit: contain;
    position: relative;
    top: 30px;
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.15));
    transition: transform 0.3s ease;
    animation: logoEntry 0.8s ease-out;
}

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

@keyframes logoEntry {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-left: auto;
    padding-left: 420px;
}

.nav-link {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-cta {
    background: #2563eb;
    color: white !important;
    padding: 10px 20px;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.nav-cta:hover {
    background: #1d4ed8;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 180px 0 80px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.75) 0%, rgba(118, 75, 162, 0.75) 100%),
                url('bg-hero.png') center/cover;
    color: white;
    overflow: visible;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: #ffffff;
    color: #2563eb;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary:hover {
    background: white;
    color: #2563eb;
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

.btn-small {
    padding: 10px 20px;
    font-size: 14px;
}

.hero-features {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 15px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.badge-icon {
    font-size: 20px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.device-mockup {
    position: relative;
    transition: transform 0.3s ease;
}

.device-mockup:hover {
    transform: scale(1.02);
}

.device-image,
.app-screenshot {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    border-radius: 20px;
    display: block;
}

.device-placeholder {
    background: #1e293b;
    border-radius: 20px;
    padding: 20px;
    width: 500px;
    max-width: 100%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.screen-content {
    background: #0f172a;
    border-radius: 12px;
    padding: 20px;
    height: 350px;
    display: flex;
    flex-direction: column;
}

.mock-header {
    color: #2563eb;
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    padding: 10px;
    border-bottom: 1px solid #334155;
    margin-bottom: 20px;
}

.mock-map {
    flex: 1;
    background: linear-gradient(45deg, #1e293b 25%, #334155 25%, #334155 50%, #1e293b 50%, #1e293b 75%, #334155 75%, #334155);
    background-size: 20px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.mock-map::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 20px #10b981;
}

.mock-controls {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.mock-gauge {
    background: #2563eb;
    color: white;
    padding: 15px 30px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 18px;
    text-align: center;
}

/* Features Section */
.features {
    padding: 100px 0;
    position: relative;
    background: #f8fafc;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('bg-features.png') center/cover no-repeat;
    opacity: 0.2;
    z-index: 0;
}

.features .container {
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.25rem;
    color: #64748b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 15px;
}

.feature-card p {
    color: #64748b;
    line-height: 1.7;
}

/* Showcase Section */
.showcase {
    padding: 100px 0;
    background: #1e293b;
}

.showcase .section-header h2 {
    color: white;
}

.showcase .section-header p {
    color: #94a3b8;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.showcase-item {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    height: 300px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.showcase-item:hover {
    transform: scale(1.05);
}

.showcase-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: white;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.showcase-item:hover .showcase-overlay {
    transform: translateY(0);
}

.showcase-overlay h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.showcase-overlay p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Specs Section */
.specs {
    padding: 100px 0;
    position: relative;
    background: white;
    overflow: hidden;
}

.specs::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('bg-specs.png') center/cover no-repeat;
    opacity: 0.15;
    z-index: 0;
    transform: scale(1.1);
    animation: float 20s ease-in-out infinite;
}

.specs .container {
    position: relative;
    z-index: 1;
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.specs-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 40px;
}

.spec-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.spec-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2563eb;
    margin-bottom: 10px;
}

.spec-item p {
    color: #64748b;
    line-height: 1.7;
}

.gauge-demo {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.gauge {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    min-width: 120px;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.gauge-title {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.gauge-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.gauge-unit {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* Download Section */
.download {
    padding: 100px 0;
    color: white;
    text-align: center;
    position: relative;
    background: #1e293b;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('bg-download.png') center/cover no-repeat;
    opacity: 0.25;
    z-index: 0;
}

.download::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(51, 65, 85, 0.8) 100%);
    z-index: 1;
}

.download .container {
    position: relative;
    z-index: 2;
}

.download-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.download-content p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.store-button {
    display: block;
    transition: transform 0.3s ease;
}

.store-button:hover {
    transform: scale(1.05);
}

.store-button img {
    height: 60px;
    width: auto;
}

.qr-codes {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.qr-code-item {
    text-align: center;
}

.qr-code {
    width: 150px;
    height: 150px;
    background: white;
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: block;
}

.qr-code-item p {
    margin-top: 10px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.system-requirements {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    max-width: 400px;
    margin: 0 auto;
}

.system-requirements h4 {
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: 600;
}

.system-requirements ul {
    list-style: none;
    text-align: left;
}

.system-requirements li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.system-requirements li:before {
    content: "✓";
    color: #10b981;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: #f8fafc;
    position: relative;
    overflow: hidden;
}

.pricing::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 70%;
    height: 200%;
    background: url('bg-specs.png') center/cover no-repeat;
    opacity: 0.04;
    transform: rotate(15deg);
    z-index: 0;
    animation: drift 30s ease-in-out infinite;
}

.pricing .container {
    position: relative;
    z-index: 1;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    padding: 30px 24px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border: 2px solid #2563eb;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 16px;
}

.price {
    font-size: 2.25rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 20px;
}

.price span {
    font-size: 1rem;
    color: #64748b;
    font-weight: 400;
}

.features-list {
    list-style: none;
    margin-bottom: 24px;
    text-align: left;
}

.features-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 22px;
    color: #64748b;
    font-size: 0.9rem;
}

.features-list li:before {
    content: "✓";
    color: #10b981;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-logo .logo {
    height: 60px;
    max-width: 220px;
}

.footer-logo span {
    font-size: 20px;
    font-weight: 700;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
    font-weight: 600;
}

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

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: #2563eb;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 20px;
    text-align: center;
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .logo {
        height: 100px;
        max-width: 250px;
        top: 20px;
    }
    
    .nav-logo {
        left: 10px;
    }
    
    .nav-container {
        height: 70px;
    }
    
    .hero {
        padding: 130px 0 60px;
    }
    
    .nav-menu {
        padding-left: 0;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .gauge-demo {
        flex-direction: column;
        align-items: center;
    }
}

/* Vehicle Dashboard Section */
.vehicle-dashboard {
    padding: 100px 0;
    background: #f8fafc;
    position: relative;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.dashboard-main h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 20px;
}

.telemetry-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.telemetry-item {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.telemetry-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.telemetry-icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.telemetry-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 10px;
}

.telemetry-item p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.6;
}

.dashboard-mockup {
    background: #1e293b;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.gauge-cluster {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.large-gauge {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    width: 200px;
    height: 200px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}

.gauge-label {
    font-size: 0.9rem;
    opacity: 0.8;
    text-transform: uppercase;
}

.large-gauge .gauge-value {
    font-size: 3.5rem;
    font-weight: 700;
    margin: 10px 0;
}

.gauge-unit {
    font-size: 1rem;
    opacity: 0.9;
}

.small-gauge {
    background: #334155;
    padding: 20px 30px;
    border-radius: 15px;
    text-align: center;
    color: white;
    min-width: 120px;
}

.small-gauge .gauge-label {
    font-size: 0.8rem;
    opacity: 0.7;
    display: block;
    margin-bottom: 5px;
}

.small-gauge .gauge-value {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Hardware Control Section */
.hardware-control {
    padding: 100px 0;
    background: white;
}

.hardware-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.hardware-item {
    background: #f8fafc;
    padding: 35px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.hardware-item:hover {
    border-color: #2563eb;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.hardware-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.hardware-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 15px;
}

.hardware-item p {
    color: #64748b;
    line-height: 1.6;
}

.hardware-note {
    background: #e0e7ff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
}

.hardware-note p {
    color: #1e293b;
    font-size: 1rem;
    margin: 0;
}

/* Security Module Section */
.security-module {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.security-module::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.security-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.security-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.security-intro {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

.security-features {
    display: grid;
    gap: 30px;
}

.security-feature {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.security-feature h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.security-feature p {
    opacity: 0.9;
    line-height: 1.6;
}

.pin-interface {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.pin-interface h4 {
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.pin-dots {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.pin-dot {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.pin-dot.filled {
    background: #10b981;
    border-color: #10b981;
}

.pin-keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    max-width: 250px;
    margin: 0 auto;
}

.pin-keypad button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 15px;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pin-keypad button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

/* Communication System Section */
.comm-system {
    padding: 100px 0;
    background: #f8fafc;
}

.comm-features {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.comm-main h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 20px;
}

.comm-main > p {
    font-size: 1.1rem;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 40px;
}

.comm-capabilities {
    display: grid;
    gap: 25px;
}

.capability {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.capability:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.capability h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2563eb;
    margin-bottom: 10px;
}

.capability p {
    color: #64748b;
    line-height: 1.6;
}

.network-diagram {
    background: #1e293b;
    border-radius: 20px;
    padding: 60px;
    position: relative;
    min-height: 400px;
}

.vehicle-node {
    position: absolute;
    background: #2563eb;
    color: white;
    padding: 15px 25px;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.vehicle-node.central {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #10b981;
    font-size: 1.1rem;
}

.vehicle-node:nth-child(2) {
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
}

.vehicle-node:nth-child(3) {
    bottom: 20%;
    left: 20%;
}

.vehicle-node:nth-child(4) {
    bottom: 20%;
    right: 20%;
}

.connection-lines::before,
.connection-lines::after {
    content: '';
    position: absolute;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

.connection-lines::before {
    top: 10%;
    left: 10%;
    right: 10%;
    bottom: 10%;
}

.connection-lines::after {
    top: 20%;
    left: 20%;
    right: 20%;
    bottom: 20%;
}

/* Trail Features Section */
.trail-features {
    padding: 100px 0;
    background: white;
}

.trail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.trail-feature {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 35px;
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.trail-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #10b981);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.trail-feature:hover::before {
    transform: scaleX(1);
}

.trail-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.trail-feature .feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.trail-feature h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 15px;
}

.trail-feature p {
    color: #64748b;
    line-height: 1.6;
}

/* SOS Features Section */
.sos-features {
    padding: 100px 0;
    background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    color: white;
    position: relative;
}

.sos-content {
    position: relative;
    z-index: 1;
}

.sos-header {
    text-align: center;
    margin-bottom: 60px;
}

.sos-header h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.sos-header p {
    font-size: 1.25rem;
    opacity: 0.9;
}

.sos-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 30px;
}

.sos-feature {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 35px;
    border-radius: 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.sos-feature.primary {
    grid-row: span 2;
}

.sos-feature h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

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

.sos-feature li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
}

.sos-feature li::before {
    content: '→';
    position: absolute;
    left: 0;
    font-weight: bold;
}

.sos-info {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.sos-info h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.sos-info ul {
    list-style: none;
    padding: 0;
}

.sos-info li {
    padding: 5px 0;
    opacity: 0.9;
}

.sos-note {
    margin-top: 40px;
    background: rgba(255, 255, 255, 0.2);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
}

/* Hardware Store Section */
.hardware-store {
    padding: 100px 0;
    background: #f8fafc;
}

.store-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.store-item {
    background: white;
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.store-item.featured {
    border: 2px solid #2563eb;
    transform: scale(1.02);
}

.store-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.item-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: #2563eb;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.store-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 15px;
}

.item-price {
    font-size: 2rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 20px;
}

.store-item > p {
    color: #64748b;
    margin-bottom: 20px;
    line-height: 1.6;
}

.store-item ul {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
}

.store-item li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #64748b;
}

.store-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.store-note {
    background: #e0e7ff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
}

/* App Gallery Section */
.app-gallery {
    padding: 100px 0;
    background: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    background: #1e293b;
    padding: 20px;
}

.gallery-item.main {
    grid-column: span 2;
    grid-row: span 1;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.gallery-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: 12px;
}

.gallery-caption {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.7));
    color: white;
    padding: 20px;
    border-radius: 0 0 12px 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-caption {
    opacity: 1;
}

.gallery-caption h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.gallery-caption p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.gallery-note {
    background: #e0e7ff;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
}

.gallery-note p {
    color: #1e293b;
    font-size: 1rem;
    margin: 0;
}

/* Responsive Updates */
@media (max-width: 768px) {
    .dashboard-grid,
    .security-content,
    .comm-features {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hardware-grid,
    .trail-grid {
        grid-template-columns: 1fr;
    }
    
    .sos-grid {
        grid-template-columns: 1fr;
    }
    
    .sos-feature.primary {
        grid-row: auto;
    }
    
    .store-grid {
        grid-template-columns: 1fr;
    }
    
    .network-diagram {
        padding: 40px;
        min-height: 300px;
    }
    
    .qr-codes {
        flex-direction: column;
        gap: 20px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item.main {
        grid-column: span 1;
    }
    
    .gallery-item {
        padding: 15px;
    }
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0) scale(1.1); }
    50% { transform: translateY(-20px) scale(1.1); }
}

@keyframes drift {
    0%, 100% { transform: translateX(0) rotate(15deg); }
    50% { transform: translateX(-30px) rotate(15deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}