/* --- Global Reset & Base Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
}
body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    background-color: #fff;
}
h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 600;
}
h1 { font-size: 2.8rem; }
h2 { font-size: 2rem; text-align: center; margin-bottom: 2.5rem; color: #44B9EB; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.1rem; font-weight: 600; }
p {
    margin-bottom: 1rem;
    color: #555;
}
a {
    text-decoration: none;
    color: #44B9EB;
    transition: color 0.3s ease;
}
a:hover {
    color: #44B9EB;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
ul {
    list-style: none;
}
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}
section {
    padding: 4rem 0;
}
/* SEO & A11y: Added utility class to hide elements visually but keep them for screen readers */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.text-section {
    background-color: #f9f9f9;
}
.text-section:nth-child(even) {
    background-color: #44B9EB;
}
.text-section p, #intro p {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
#intro p.intro-text {
    font-size: 1.1rem;
    color: #ffffff;
}

/* --- Header --- */
#main-header {
    background-color: #ffffff;
    color: #333;
    padding: 0.4rem 0;
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
#main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#main-header .logo img {
    height: 60px; /* Adjust as needed */
    width: auto;
}
#main-header nav ul.menu {
    display: flex;
}
#main-header nav ul.menu li {
    margin-left: 1.5rem;
}
#main-header nav ul.menu li a {
    color: #333;
    font-weight: 600;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}
#main-header nav ul.menu li a:hover {
    color: #44B9EB;
}
#main-header nav ul.menu li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    display: block;
    margin-top: 5px;
    right: 0;
    background: #44B9EB;
    transition: width 0.3s ease;
}
#main-header nav ul.menu li a:hover::after {
    width: 100%;
    left: 0;
    background: #44B9EB;
}
#main-header nav ul.menu li a.active::after {
    width: 100%;
    left: 0;
    background: #44B9EB;
}
#mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #333;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    min-height: 90vh;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
    background-color: #333; /* Fallback background color */
}
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}
.scrolling-images {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
/* Performance: CSS-only animation for hero slider. Replaces JS logic. */
.scrolling-images img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    animation: hero-fade 21s infinite; /* 7 images * 3s = 21s total cycle */
}
.scrolling-images img:nth-child(1) { animation-delay: 0s; }
.scrolling-images img:nth-child(2) { animation-delay: 3s; }
.scrolling-images img:nth-child(3) { animation-delay: 6s; }
.scrolling-images img:nth-child(4) { animation-delay: 9s; }
.scrolling-images img:nth-child(5) { animation-delay: 12s; }
.scrolling-images img:nth-child(6) { animation-delay: 15s; }
.scrolling-images img:nth-child(7) { animation-delay: 18s; }

@keyframes hero-fade {
    0% { opacity: 0; }
    5% { opacity: 1; }   /* Fade in for ~0.6s */
    14% { opacity: 1; }  /* Stay visible for ~2s */
    19% { opacity: 0; }  /* Fade out for ~0.6s */
    100% { opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}
.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}
.hero-content h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    font-weight: 400;
    text-align: center;
    color: #ffffff;
}
.cta-button {
    display: inline-block;
    background-color: #44B9EB;
    color: #fff;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background-color 0.3s ease, transform 0.3s ease;
}
.cta-button:hover {
    background-color: #3aa8d8; /* Darker Blue */
    color: #fff;
    transform: translateY(-2px);
}

/* --- Other sections (no changes needed) --- */
/* (All other CSS from original file remains here) */
.split-section { background-color: #f9f9f9; }
.split-container { display: flex; gap: 3rem; align-items: flex-start; }
.split-item { flex: 1; }
.split-item h3 { color: #44B9EB; margin-bottom: 0.8rem; }
#why-choose-us { background-color: #fff; }
.icon-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; text-align: center; }
.grid-item { padding: 1.5rem; border: 1px solid #eee; border-radius: 8px; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.grid-item:hover { transform: translateY(-5px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.grid-item i { color: #44B9EB; margin-bottom: 1rem; }
.grid-item h4 { margin-bottom: 0.5rem; color: #333; }
.grid-item p { font-size: 0.9rem; color: #666; margin-bottom: 0; }
#products { background-color: #44B9EB; }
#products .container > h2 { color: white; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.product-item { background-color: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12); transition: transform 0.3s ease, box-shadow 0.3s ease; text-align: center; }
.product-item:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,0.12); }
.product-item img { width: 100%; height: 250px; object-fit: cover; }
.product-item p { padding: 1rem; font-weight: 600; color: #333; margin-bottom: 0; }
#manufacturing { background-color: #fff; }
.section-intro { text-align: center; max-width: 800px; margin: 0 auto 3rem auto; font-size: 1.1rem; }
.manufacturing-steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; text-align: center; }
.step { padding: 1.5rem; }
.step-icon { color: #44B9EB; margin-bottom: 1.5rem; display: block; margin-left: auto; margin-right: auto; }
.step h3 { color: #333; margin-bottom: 0.8rem; }
.step p { font-size: 0.95rem; color: #555; margin-bottom: 0; }
#quality-control { background-color: #44B9EB; }
#quality-control h2 { margin-bottom: 3rem; color: white; }
.quality-sections { display: flex; flex-direction: column; gap: 2rem; max-width: 850px; margin: 0 auto; }
.quality-item { background-color: #fff; padding: 2rem; border-radius: 8px; box-shadow: 0 3px 10px rgba(0,0,0,0.07); display: block; text-align: left; }
.quality-item h3 { margin-bottom: 0.5rem; color: #44B9EB; display: flex; align-items: center; gap: 0.8rem; }
.quality-item h3 i { margin-right: 0.8rem; vertical-align: middle; }
.quality-item p { margin-bottom: 0; color: #444; }
#inquiry { background-color: #fff; }
.inquiry-container { display: flex; align-items: center; gap: 3rem; }
.inquiry-graphic { flex: 1; max-width: 40%; text-align: center; }
.inquiry-graphic img { max-width: 100%; max-height: 500px; }
.inquiry-form { flex: 1; }
#inquiry h2 { text-align: left; margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: #444; }
.form-group input[type="text"], .form-group input[type="email"], .form-group input[type="tel"], .form-group textarea { width: 100%; padding: 0.8rem 1rem; border: 1px solid #ccc; border-radius: 5px; font-size: 1rem; font-family: inherit; transition: border-color 0.3s ease; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: #44B9EB; box-shadow: 0 0 5px rgba(0, 0, 0, 0.2); }
.form-group textarea { resize: vertical; }
.form-submit { width: auto; padding: 0.8rem 2.5rem; }
.contact-details { text-align: center; background-color: #000000; }
.contact-details p { margin-bottom: 0.8rem; font-size: 1.1rem; color: #ffffff; }
.contact-details strong { color: #44B9EB; }
.contact-details a { color: #ffffff; }
.contact-details a:hover { color: #44B9EB; }
.social-icons { margin-top: 2rem; }
.social-icons a { color: #ccc; font-size: 1.5rem; margin: 0 0.7rem; transition: color 0.3s ease, transform 0.3s ease; }
.social-icons a:hover { color: #44B9EB; transform: scale(1.1); }
#main-footer { background-color: #222; color: #ccc; text-align: center; padding: 1.5rem 0; margin-top: 0; }
#main-footer p { margin-bottom: 0; font-size: 0.9rem; }

.contact-container { display: flex; flex-direction: row; align-items: center; gap: 1rem; }
.map, .officeaddress { width: 50%; height: 400px; border: none; border-radius: 8px; }
.map iframe { width: 100%; height: 100%; border-radius: 8px; }
.officeaddress h2 { text-align: left; font-family: 'Poppins', sans-serif; font-size: 1rem; font-weight: 300; color: white; margin-bottom: 0.1rem; }
.headoffice { width: 100%; height: auto; padding: 0 0.5rem; text-align: left; }
.headoffice p { text-align: left; font-family: 'Poppins', sans-serif; font-size: 0.9rem; font-weight: 300; color: rgb(255, 255, 255); margin-bottom: 0.5rem; }
.contact-container strong { color: #ffffff; font-weight: 600; }

@media (max-width: 992px) { .container { padding: 0 1.5rem; } h1 { font-size: 2.5rem; } .hero-content h1 { font-size: 3rem; } .hero-content h2 { font-size: 1.5rem; } .split-container { flex-direction: column; gap: 2rem; } .inquiry-container { flex-direction: column; gap: 2rem; text-align: center; } .inquiry-graphic { max-width: 60%; margin-bottom: 2rem; } #inquiry h2 { text-align: center; } .inquiry-form { width: 100%; max-width: 500px; margin: 0 auto; } }
@media (max-width: 768px) { html { font-size: 15px; } h1 { font-size: 2.2rem; } h2 { font-size: 1.8rem; } .hero-content h1 { font-size: 2.5rem; } .hero-content h2 { font-size: 1.3rem; } #main-header nav ul.menu { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background-color: #fff; box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1); padding: 1rem 0; text-align: center; } #main-header nav ul.menu.active { display: flex; } #main-header nav ul.menu li { margin: 0.8rem 0; margin-left: 0; } #main-header nav ul.menu li a::after { display: none; } #mobile-menu-toggle { display: block; } section { padding: 3rem 0; } .icon-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; } .product-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; } .manufacturing-steps { grid-template-columns: 1fr; gap: 1.5rem; } .quality-item h3 { justify-content: flex-start; } .inquiry-graphic { max-width: 70%; } .contact-container { flex-direction: column; align-items: stretch; } .map, .officeaddress { width: 100%; height: 300px; } .officeaddress { margin-top: 1.5rem; } }
@media (max-width: 576px) { html { font-size: 14px; } .hero-section { min-height: 70vh; } .hero-content h1 { font-size: 2rem; } .hero-content h2 { font-size: 1.1rem; } .cta-button { padding: 0.7rem 1.5rem; font-size: 0.9rem; } .icon-grid { grid-template-columns: 1fr; } .product-grid { grid-template-columns: 1fr; } .contact-details p { font-size: 1rem; } .social-icons a { font-size: 1.3rem; } }