:root {
    --primary-color: #2E7D32;
    /* Deep Nature Green */
    --primary-dark: #1B5E20;
    --secondary-color: #F9A825;
    /* Solar Yellow */
    --accent-color: #E65100;
    /* Warm Orange for CTAs */
    --text-color: #333333;
    --light-text: #ffffff;
    --background-color: #f4f4f9;
    --card-bg: #ffffff;
    --section-padding: 80px 0;
    --border-radius: 12px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo img {
    height: 50px;
    /* Adjust based on actual logo */
    margin-right: 10px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.2;
}

.brand-name {
    font-size: 1.8rem;
    font-weight: 700;
}

.green-text {
    color: #2E7D32;
    /* Deep Nature Green matching existing var or slightly brighter */
}

.orange-text {
    color: #F57C00;
    /* Orange similar to reference image */
}

.tagline {
    font-size: 0.65rem;
    font-weight: 600;
    color: #1565C0;
    /* Blue matching reference image */
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: -2px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('hero-bg.jpg') no-repeat center center/cover;
    /* Fallback if image fails */
    background-color: #333;
    display: flex;
    align-items: center;
    color: var(--light-text);
    text-align: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1.2s ease;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(249, 168, 37, 0.4);
    transition: var(--transition);
}

.btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 81, 0, 0.4);
}

/* Sections Common */
section {
    padding: var(--section-padding);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.section-title p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background-color: #fff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-img img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.about-text p {
    margin-bottom: 1rem;
    color: #555;
}

/* Video Section */
.video-section {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
}

.video-section h2 {
    color: white;
}

.video-section .section-title p {
    color: rgba(255, 255, 255, 0.9);
}

.videos-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 */
    height: 0;
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.video-wrapper iframe,
.video-wrapper .video-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-link {
    overflow: hidden;
    cursor: pointer;
}

.video-link img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.video-link:hover img {
    transform: scale(1.05);
}

/* Services / Solutions */
.services {
    background-color: #f9f9f9;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-top: 4px solid var(--secondary-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

/* Comparison Table Style as Cards for mobile friendly */
.comparison {
    background-color: #fff;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.comparison-table th {
    background-color: var(--primary-color);
    color: white;
}

.comparison-table tr:hover {
    background-color: #f1f1f1;
}

/* Contact */
.contact {
    background: linear-gradient(rgba(46, 125, 50, 0.9), rgba(46, 125, 50, 0.9)), url('product-bg.jpg') no-repeat center center/cover;
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-details p {
    margin: 0.5rem 0;
    font-size: 1.1rem;
}

.contact-details i {
    margin-right: 10px;
    color: var(--secondary-color);
}

/* Footer */
footer {
    background-color: #1a1a1a;
    color: #ccc;
    padding: 3rem 0;
    text-align: center;
}

footer p {
    margin-bottom: 1rem;
}

.social-links a {
    color: #fff;
    font-size: 1.5rem;
    margin: 0 10px;
}

.social-links a:hover {
    color: var(--secondary-color);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .logo {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        margin-top: 1rem;
        gap: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

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

    .videos-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .comparison-table {
        display: block;
        overflow-x: auto;
    }
}/* Language Switcher Nav (Added for testing.html) */
.lang-switcher-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 20px;
}
.lang-switcher-nav .lang-btn {
    background: transparent;
    border: 1px solid rgba(0,0,0,0.1);
    color: var(--text);
    font-weight: 600;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}
.lang-switcher-nav .lang-btn.active {
    background: var(--green);
    color: #fff;
    border-color: var(--green);
}
.lang-switcher-nav .lang-btn:hover:not(.active) {
    background: rgba(0,0,0,0.05);
}

@media (max-width: 768px) {
    .lang-switcher-nav {
        margin-left: 0;
        margin-top: 15px;
        justify-content: center;
        width: 100%;
    }
}

.video-link {
    text-decoration: none;
}
.video-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 68px;
    height: 48px;
    background-color: rgba(255, 0, 0, 0.9);
    border-radius: 12px;
    z-index: 2;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.video-link::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 16px;
    border-color: transparent transparent transparent #ffffff;
    z-index: 3;
    transition: all 0.3s ease;
    margin-left: 2px;
}
.video-link:hover::before {
    background-color: #ff0000;
    transform: translate(-50%, -50%) scale(1.1);
}
.video-link:hover::after {
    transform: translate(-50%, -50%) scale(1.1);
}
.video-link img {
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    z-index: 1;
}

.nav-links a.btn:hover {
    color: #ffffff !important;
}

/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

#lightbox-img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    z-index: 2001;
}

.lightbox-close:hover {
    color: #bbb;
}

.lightbox-prev, .lightbox-next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: auto;
    padding: 16px;
    color: white;
    font-weight: bold;
    font-size: 30px;
    transition: 0.3s;
    user-select: none;
    background-color: rgba(0,0,0,0.3);
    border-radius: 8px;
}

.lightbox-prev {
    left: 10px;
}

.lightbox-next {
    right: 10px;
}

.lightbox-prev:hover, .lightbox-next:hover {
    background-color: rgba(0,0,0,0.8);
}