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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Navigation */
.navbar {
    background: #1a2b49;
    padding: 1rem 2rem;
    /* Removed position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; */
    /* Now it will stay at the top but scroll with the page */
}

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

.navbar-brand img {
    max-width: 120px;
    transition: transform 0.3s;
}

.navbar-brand img:hover {
    transform: scale(1.05);
}

.navbar-nav {
    display: flex;
    list-style: none;
}

.nav-item {
    margin: 0 15px;
}

.nav-link {
    color: white;
    text-transform: uppercase;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #ff6b00;
}

/* Hero Slideshow */
.hero-slideshow {
    position: relative;
    height: 600px;
    /* Removed margin-top since navbar is no longer fixed */
    overflow: hidden;
}

.slides {
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.slide.active {
    opacity: 1;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-text {
    color: white;
    text-align: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.08;
}

.hero-text p {
    font-size: 1.2rem;
    max-width: 600px;
}

.slide-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
}

.slide-controls button {
    background: rgba(255, 255, 255, 0.8);
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 1.2rem;
    border-radius: 5px;
    transition: background 0.3s;
}

.slide-controls button:hover {
    background: white;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    margin-bottom: 2.5rem; /* Increased margin for better separation */
    color: #1a2b49;
    font-size: 2.5rem; /* Slightly larger for emphasis */
    text-transform: uppercase; /* Added uppercase */
    letter-spacing: 0;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem; /* Increased gap */
    padding: 0 20px;
    align-items: center; /* Vertically align items */
}

.about-text p {
    margin-bottom: 1.2rem; /* Added margin to separate paragraphs */
    line-height: 1.8; /* Increased line height for readability */
}

.about-text ul {
    list-style: none; /* Remove default list style */
    padding-left: 0; /* Remove default padding */
    margin-bottom: 1.5rem; /* Margin below list */
}

.about-text ul li {
    position: relative;
    padding-left: 25px; /* Space for custom bullet */
    margin-bottom: 0.8rem; /* Space between list items */
}

.about-text ul li::before {
    content: '\2713'; /* Checkmark icon */
    color: #ff6b00; /* Orange color for bullet */
    position: absolute;
    left: 0;
    font-weight: bold;
}

.about-img img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.15); /* More pronounced shadow */
    transition: transform 0.3s ease-in-out; /* Added smooth transition for hover */
}

.about-img img:hover {
    transform: translateY(-5px); /* Subtle lift on hover */
}

/* Partners Section */
.partners-section {
    padding: 80px 0;
    background: #ffffff; /* Changed to white for contrast */
}

.partners-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); /* Adjusted for flexibility */
    gap: 2.5rem; /* Slightly increased gap */
    padding: 0 20px;
    align-items: center;
    justify-content: center;
}

.partner-item {
    text-align: center;
    background: #f8f9fa; /* Light background for each partner item */
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    transition: all 0.3s ease-in-out;
}

.partner-item:hover {
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.partner-item img {
    max-width: 120px; /* Slightly reduced size for consistency */
    height: 80px; /* Fixed height for consistent visual alignment */
    object-fit: contain; /* Ensures logo fits within bounds without distortion */
    margin-bottom: 1rem;
    filter: grayscale(100%); /* Grayscale by default */
    transition: filter 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.partner-item img:hover {
    filter: grayscale(0%); /* Full color on hover */
    transform: scale(1.05);
}

.partner-item p {
    color: #555;
    font-weight: 600; /* Slightly bolder text */
    font-size: 1.1rem;
}

/* Products and Certifications Section (Formerly Catalog Section) */
.products-certifications-section {
    padding: 80px 0;
    background: #f8f9fa; /* Light background for differentiation */
}

.products-certifications-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* Adjusted for flexibility */
    gap: 2.5rem; /* Increased gap */
    padding: 0 20px;
}

.grid-item {
    background: #ffffff; /* White background for each item */
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    padding: 25px;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    display: flex; /* Use flexbox for content alignment */
    flex-direction: column;
    justify-content: space-between; /* Distribute space */
    align-items: center;
}

.grid-item:hover {
    transform: translateY(-8px); /* More pronounced lift on hover */
    box-shadow: 0 12px 25px rgba(0,0,0,0.2);
}

.grid-item img {
    max-width: 100%;
    height: 200px; /* Set a fixed height for images */
    object-fit: contain; /* Ensure images fit without cropping */
    border-radius: 8px;
    margin-bottom: 1rem;
}

.item-description {
    font-size: 1.1rem;
    color: #555;
    font-weight: 500;
}

/* Footer */
footer {
    background: #1a2b49;
    color: white;
    padding: 40px 20px;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.footer-section h6 {
    color: #ff6b00;
    margin-bottom: 1rem;
}

.footer-section a {
    color: white;
    text-decoration: none;
    display: block;
    margin: 0.5rem 0;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #ff6b00;
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    .about-img {
        order: -1; /* Move image above text on smaller screens */
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    .navbar-nav {
        flex-direction: column;
        text-align: center;
        padding: 1rem 0;
    }

    .nav-item {
        margin: 0.5rem 0;
    }

    .hero-slideshow {
        height: 460px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .partners-grid,
    .products-certifications-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); /* Adjusted min-width for smaller screens */
    }

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

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

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .section-title {
        font-size: 1.65rem;
    }
    .hero-text h1 {
        font-size: 1.9rem;
    }
    .hero-text p {
        font-size: 1rem;
    }
    .partner-item img {
        max-width: 100px;
        height: 70px;
    }
}