:root {
    --color-bg-dark: #000000;
    --color-bg-section: #0a0a0a;
    --color-primary: #4169E1;
    --color-primary-light: #6B8AFF;
    --color-accent: #00D4FF;
    --color-text-white: #FFFFFF;
    --color-text-gray: #B0B0B0;
    --color-card-bg: #FFFFFF;
    --color-testimonial: #7B8CDE;
    --gradient-hero: linear-gradient(135deg, #000000 0%, #0a1628 50%, #000000 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.5rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-gray);
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    overflow: visible;
}

.navbar-collapse {
    background: rgba(0, 0, 0, 0.95);
    border-radius: 0 0 10px 10px;
    padding: 1rem;
}

@media (min-width: 992px) {
    .navbar-collapse {
        background: transparent;
        padding: 0;
    }
}

.nav-link {
    color: var(--color-text-white) !important;
    padding: 0.5rem 1rem !important;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--color-accent) !important;
}

.navbar {
    padding: 0;
}

.logo {
    height: 50px;
    width: auto;
}

.language-select {
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-text-white);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
}

.language-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.language-select option {
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: url('../images/hero-bg.png') center center / cover no-repeat;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: var(--gradient-glow);
    pointer-events: none;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    font-style: italic;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(180deg, #FFFFFF 0%, #B0B0B0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text {
    font-size: 1.1rem;
    color: var(--color-text-gray);
    max-width: 500px;
}

.hero-image {
    max-width: 100%;
    height: auto;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.3));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.clients-section {
    padding: 60px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 50, 100, 0.1) 50%, transparent 100%);
}

.clients-title {
    text-align: center;
    color: var(--color-primary-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.logo-carousel {
    overflow: hidden;
    padding: 20px 0;
}

.logoSwiper .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.logoSwiper .swiper-slide:hover {
    opacity: 1;
}

.logoSwiper .swiper-slide img {
    max-height: 80px;
    width: auto;
}

.stats-section {
    padding: 80px 0;
    background-color: var(--color-bg-dark);
}

.stats-tagline {
    text-align: center;
    color: var(--color-text-gray);
    font-size: 1rem;
    margin-bottom: 3rem;
}

.stats-row {
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-text-white);
    display: inline;
}

.stat-unit {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-white);
}

.stat-label {
    color: var(--color-primary-light);
    font-size: 1rem;
    margin-top: 0.5rem;
}

.video-section {
    padding: 80px 0;
    background-color: var(--color-bg-dark);
}

.video-intro {
    text-align: center;
    color: var(--color-primary-light);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 15px;
    max-width: 900px;
    margin: 2rem auto 0;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

.features-section {
    padding: 80px 0;
    background-color: var(--color-bg-dark);
}

.feature-card {
    background: var(--color-card-bg);
    border-radius: 15px;
    padding: 2rem;
    height: 100%;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.feature-card .feature-text {
    font-size: 0.95rem;
    color: #333;
    line-height: 1.6;
}

.cta-section {
    padding: 60px 0;
    background-color: var(--color-bg-dark);
}

.cta-text {
    font-size: 1.1rem;
    color: var(--color-text-gray);
    margin-bottom: 1.5rem;
}

.btn-cta {
    background: transparent;
    border: 2px solid var(--color-primary-light);
    color: var(--color-primary-light);
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-cta:hover {
    background: var(--color-primary-light);
    color: var(--color-bg-dark);
    box-shadow: 0 0 30px rgba(107, 138, 255, 0.5);
}

.dashboard-section {
    padding: 60px 0 80px;
    background-color: var(--color-bg-dark);
}

.dashboard-intro {
    text-align: center;
    color: var(--color-text-gray);
    font-size: 1rem;
    margin-bottom: 2rem;
}

.dashboardSwiper {
    padding-bottom: 50px;
}

.dashboardSwiper .swiper-slide img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.dashboardSwiper .swiper-button-prev,
.dashboardSwiper .swiper-button-next {
    color: var(--color-primary-light);
    background: rgba(0, 0, 0, 0.5);
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.dashboardSwiper .swiper-button-prev::after,
.dashboardSwiper .swiper-button-next::after {
    font-size: 1.2rem;
}

.dashboardSwiper .swiper-pagination-bullet {
    background: var(--color-text-gray);
    opacity: 0.5;
}

.dashboardSwiper .swiper-pagination-bullet-active {
    background: var(--color-primary-light);
    opacity: 1;
}

.advanced-features-section {
    padding: 80px 0;
    background-color: var(--color-bg-dark);
}

.advanced-feature-card {
    background: var(--color-card-bg);
    border-radius: 15px;
    padding: 2rem;
    height: 100%;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advanced-feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.advanced-feature-card .feature-icon {
    width: 70px;
    height: 70px;
}

.advanced-feature-card .feature-title {
    color: var(--color-primary);
}

.advanced-feature-card .feature-text {
    color: #333;
    font-size: 0.95rem;
}

.new-release-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, #0a1020 100%);
    position: relative;
    overflow: hidden;
}

.new-release-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(0, 150, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.new-release-badge {
    display: inline-block;
    background: linear-gradient(90deg, #FF6B6B, #FF8E53);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.new-release-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.new-release-lead {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-white);
    margin-bottom: 1rem;
}

.new-release-text {
    color: var(--color-text-gray);
    line-height: 1.8;
}

.new-release-text strong {
    color: var(--color-text-white);
}

.outdoor-sensor-image {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 0 40px rgba(0, 212, 255, 0.4));
    animation: float 6s ease-in-out infinite;
}

.industries-section {
    padding: 80px 0;
    background-color: var(--color-bg-dark);
}

.industry-row {
    margin-bottom: 80px;
}

.industry-row:last-child {
    margin-bottom: 0;
}

.industry-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.industry-text {
    color: var(--color-text-gray);
    font-size: 1rem;
    line-height: 1.8;
}

.industry-image {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.testimonials-section {
    padding: 80px 0;
    background-color: var(--color-bg-dark);
}

.testimonial-card {
    background: var(--color-testimonial);
    border-radius: 15px;
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-white);
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong {
    font-size: 1rem;
    color: var(--color-text-white);
}

.testimonial-author span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.pricing-section {
    padding: 80px 0;
    background-color: var(--color-bg-dark);
}

.pricing-title {
    color: var(--color-primary-light);
}

.pricing-card {
    background: var(--color-card-bg);
    border-radius: 15px;
    padding: 2rem;
    height: 100%;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.pricing-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 1.5rem;
}

.pricing-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.pricing-card-text {
    color: #333;
    font-size: 0.95rem;
    line-height: 1.6;
}

.why-visit-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, #0a1020 50%, var(--color-bg-dark) 100%);
}

.contact-section {
    padding: 80px 0;
    background-color: var(--color-bg-dark);
}

.contact-form {
    max-width: 500px;
}

.contact-form .form-label {
    color: var(--color-text-white);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.contact-form .required {
    color: #FF6B6B;
    margin-left: 2px;
}

.contact-form .form-control {
    background-color: var(--color-card-bg);
    border: none;
    border-radius: 8px;
    padding: 1rem;
    font-size: 1rem;
}

.contact-form .form-control:focus {
    box-shadow: 0 0 0 3px rgba(107, 138, 255, 0.3);
    outline: none;
}

.btn-submit {
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border: none;
    color: white;
    padding: 1rem 3rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 1rem;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(107, 138, 255, 0.4);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
}

.form-status {
    margin-top: 1rem;
    padding: 0;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-status-success {
    padding: 12px 16px;
    background: rgba(40, 167, 69, 0.15);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.form-status-error {
    padding: 12px 16px;
    background: rgba(220, 53, 69, 0.15);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.contact-image {
    max-width: 100%;
    height: auto;
    filter: grayscale(100%) brightness(1.2);
    opacity: 0.8;
}

.footer {
    background: url('../images/hero-bg.png') center top / cover no-repeat;
    padding: 60px 0 30px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    pointer-events: none;
}

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

.footer-content {
    margin-bottom: 2rem;
}

.footer-logo {
    width: auto;
    height: 40px;
    margin-bottom: 1.5rem;
}

.footer-address {
    color: var(--color-text-gray);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.footer-email {
    color: var(--color-text-white);
    margin-bottom: 1rem;
}

.footer-link {
    color: var(--color-text-gray);
}

.footer-link a {
    color: var(--color-primary-light);
    text-decoration: none;
}

.footer-link a:hover {
    text-decoration: underline;
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: var(--color-text-gray);
    font-size: 0.9rem;
    margin: 0;
}

.footer-bottom a {
    color: var(--color-primary-light);
    text-decoration: none;
}

@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-image {
        margin-top: 3rem;
    }

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

    .stat-number {
        font-size: 3rem;
    }

    .stat-unit {
        font-size: 2rem;
    }

    .industry-row {
        margin-bottom: 60px;
    }

    .industry-image {
        margin-top: 2rem;
    }

    .new-release-title {
        font-size: 2rem;
    }

    .outdoor-sensor-image {
        margin-top: 3rem;
    }
}

@media (max-width: 767px) {
    .hero-section {
        padding: 100px 0 60px;
        min-height: auto;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-unit {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .feature-card,
    .advanced-feature-card,
    .pricing-card {
        margin-bottom: 1rem;
    }

    .testimonial-card {
        margin-bottom: 1rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .industry-row .col-lg-6.order-lg-1,
    .industry-row .col-lg-6.order-lg-2 {
        order: unset !important;
    }

    .contact-image {
        margin-top: 3rem;
    }
}

.text-gradient {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-light);
}

::selection {
    background: var(--color-primary);
    color: var(--color-text-white);
}