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

body {
    font-family: 'Prompt', 'Tahoma', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #FDF7EB; 
}

/* ===========================
   Header
   =========================== */
header {
    background-color: #FDF7EB;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    position: relative;
    background-color: #FDF7EB;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    /* Space between logo and text */
}

.logo-container a {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.brand-name {
    font-size: 28px;
    color: #F2442B;
    font-weight: bold;
    /* Font family inherited from root or specify if needed */
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #e74c3c;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    background-image: url('image/bg.png');
    background-size: cover;
    /* Show full width including left and right */
    background-position: center center;
    background-repeat: no-repeat;
    color: white;
    padding: 0;
    width: 100%;
    min-height: 100vh;
    height: auto;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Optional: Add overlay for better text readability */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(245, 67, 41, 0.8);
    /* #F54329 with 20% transparency */
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    padding: 40px 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: bold;
    color: white;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 100px;
    font-weight: bold;
    color: white;
}

.cta-button {
    background: #FDF7EB;
    color: #F2442B;
    padding: 18px 50px;
    border: none;
    border-radius: 8px;
    /* Changed from 50px to 8px for rectangular shape */
    font-size: 2.5rem;
    /* Same as h1 */
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    box-shadow: 10px 11px 5.5px rgba(0, 0, 0, 0.25);
}

.line-icon {
    height: 2.5rem;
    width: auto;
    vertical-align: middle;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(245, 67, 41, 0.3);
    background: #F5E6D3;
}

.company-info {
    margin-top: 150px;
    font-size: 0.9rem;
    color: white;
    opacity: 0.95;
}

/* ===========================
   Product Section
   =========================== */
.product-section {
    position: relative;
    padding: 80px 5%;
    background: #FDF7EB;
    overflow: hidden;
    /* Ensure decoration doesn't overflow section */
}

.product-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
}

.product-info h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
}

.product-info h3 {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 20px;
}

.product-info h4 {
    font-size: 1.2rem;
    color: #333;
    margin-top: -10px;
    margin-bottom: 20px;
}

.product-info ul {
    list-style: none;
    margin-bottom: 20px;
}

.product-info li {
    padding: 4px 0;
    padding-left: 25px;
    position: relative;
    color: #212529;
    font-weight: 600;
}

.product-info li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #e74c3c;
    font-size: 1.5rem;
}

.product-image {
    width: 100%;
    max-width: 471px;
    aspect-ratio: 471 / 424;
    box-shadow: 10px 11px 7.7px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    margin: 0 auto;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ===========================
   Applications Section
   =========================== */

.applications {
    padding: 0px 5% 100px 5%;
    background: #FDF7EB;
    margin-top: -20px;
    position: relative;
    overflow: hidden;
}

.applications-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.wave-decoration {
    position: absolute;
    width: 1920px;
    /* Fixed width to maintain scale */
    max-width: none;
    height: 240px;
    top: 30%;
    left: 50.5%;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
}


.usage-title {
    max-width: 1200px;
    margin: 100px auto 0;
    text-align: center;
}

.usage-title h1 {
    font-size: 4.5rem;
    color: #333;
    margin-bottom: 10px;
}

.usage-title h3 {
    font-size: 2.25rem;
    color: #e74c3c;
    margin-bottom: 50px;
}



/* ===========================
   Vector Decoration (Product Section)
   =========================== */
:root {
    --default-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC",
        "Hiragino Sans GB", "Microsoft Yahei UI", "Microsoft Yahei",
        "Source Han Sans CN", sans-serif;
}

.decoration-vector-container {
    overflow: hidden;
    box-sizing: border-box;
    position: absolute;
    /* Changed from relative to absolute for placement */
    width: 602.836px;
    height: 448.518px;
    opacity: 0.2;
    top: 50%;
    left: -400px;
    /* Adjust to show only a little bit */
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 0;
}

.decoration-vector-container * {
    box-sizing: border-box;
}

.vector {
    position: relative;
    width: 518.85px;
    height: 379.908px;
    margin: 43.068px 0 0 47.109px;
    background: url(https://codia-f2c.s3.us-west-1.amazonaws.com/image/2025-12-25/FvDeVOhmc4.png) no-repeat center;
    background-size: 100% 100%;
    z-index: 4;
    overflow: visible auto;
}

.vector-1 {
    position: relative;
    width: 442.011px;
    height: 320.86px;
    margin: 37.736px 0 0 41.875px;
    background: url(https://codia-f2c.s3.us-west-1.amazonaws.com/image/2025-12-25/3xjtxCLGwN.png) no-repeat center;
    background-size: 100% 100%;
    z-index: 6;
    overflow: visible auto;
}

.vector-2 {
    position: relative;
    width: 372.818px;
    height: 267.505px;
    margin: 33.96px 0 0 36.641px;
    background: url(https://codia-f2c.s3.us-west-1.amazonaws.com/image/2025-12-25/zBksibnyMV.png) no-repeat center;
    background-size: 100% 100%;
    z-index: 8;
    overflow: visible auto;
}

.vector-3 {
    position: relative;
    width: 310.393px;
    height: 221.866px;
    margin: 27.935px 0 0 31.406px;
    background: url(https://codia-f2c.s3.us-west-1.amazonaws.com/image/2025-12-25/ECxhSpyUJN.png) no-repeat center;
    background-size: 100% 100%;
    z-index: 10;
    overflow: visible auto;
}

.group {
    position: relative;
    width: 254.627px;
    height: 181.53px;
    margin: 24.014px 0 0 27.48px;
    background: url(https://codia-f2c.s3.us-west-1.amazonaws.com/image/2025-12-25/DyYC1OFk6O.png) no-repeat center;
    background-size: 100% 100%;
    z-index: 11;
    overflow: visible auto;
}

.group-4 {
    position: relative;
    width: 204.302px;
    height: 145.468px;
    margin: 20.556px 0 0 23.555px;
    background: url(https://codia-f2c.s3.us-west-1.amazonaws.com/image/2025-12-25/YbtREi91oo.png) no-repeat center;
    background-size: 100% 100%;
    z-index: 12;
    overflow: visible auto;
}

.group-5 {
    position: relative;
    width: 159.018px;
    height: 113.242px;
    margin: 17.539px 0 0 19.629px;
    background: url(https://codia-f2c.s3.us-west-1.amazonaws.com/image/2025-12-25/ibtbqLLyoe.png) no-repeat center;
    background-size: 100% 100%;
    z-index: 13;
    overflow: visible auto;
}

.group-6 {
    position: relative;
    width: 117.905px;
    height: 84.117px;
    margin: 15.087px 0 0 18.32px;
    background: url(https://codia-f2c.s3.us-west-1.amazonaws.com/image/2025-12-25/dkBGL6sB7V.png) no-repeat center;
    background-size: 100% 100%;
    z-index: 14;
    overflow: visible auto;
}

.group-7 {
    position: relative;
    width: 79.161px;
    height: 56.659px;
    margin: 13.869px 0 0 17.012px;
    background: url(https://codia-f2c.s3.us-west-1.amazonaws.com/image/2025-12-25/gQ77YioLfx.png) no-repeat center;
    background-size: 100% 100%;
    z-index: 15;
    overflow: visible auto;
}

.group-8 {
    position: relative;
    width: 41.695px;
    height: 29.982px;
    margin: 13.343px 0 0 17.012px;
    background: url(https://codia-f2c.s3.us-west-1.amazonaws.com/image/2025-12-25/9ksujD38UU.png) no-repeat center;
    background-size: 100% 100%;
    z-index: 16;
}

.vector-9 {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: url(https://codia-f2c.s3.us-west-1.amazonaws.com/image/2025-12-25/q15YoVsCVf.png) no-repeat center;
    background-size: 100% 100%;
    z-index: 2;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.app-item {
    text-align: center;
}

.app-icon {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: #ddd;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.app-item h2 {
    font-size: 1.5rem;
    color: #212529;
    margin: 0;
    font-weight: 600;
}

/* ===========================
   Company Section
   =========================== */
.company-section {
    padding: 80px 5%;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
}

.company-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.company-info-text h2 {
    font-size: 2.5rem;
    /* Same as h1 */
    margin-bottom: 10px;
}

.company-info-text h3 {
    font-size: 2.5rem;
    /* Same as h1 */
    margin-bottom: 20px;
    opacity: 0.9;
}

.company-info-text p {
    line-height: 1.8;
    opacity: 0.95;
}

.company-image {
    width: 100%;
    height: auto;
    overflow: hidden;
    box-shadow: 10px 11px 5.5px rgba(0, 0, 0, 0.25);
}

.company-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ===========================
   Transportation Section
   =========================== */
.transportation {
    padding: 80px 5% 160px;
    background: #FDF7EB;
}

.transportation-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.transportation h1 {
    font-size: 4.5rem;
    color: #333;
    margin-bottom: 10px;
}

.transportation h3 {
    font-size: 2.25rem;
    color: #e74c3c;
    margin-bottom: 50px;
}

.transport-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.transport-card {
    background: white;
    padding: 12px;
    border-radius: 10px;
    box-shadow: 10px 11px 5.5px rgba(0, 0, 0, 0.25);
}

/* Staggered layout for desktop */
.transport-card:nth-child(1),
.transport-card:nth-child(3) {
    transform: translateY(60px);
}

.transport-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    margin-bottom: 15px;
    overflow: hidden;
    background: white;
}

.transport-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.transport-card h4 {
    font-size: 2.25rem;
    color: #212529;
    margin-bottom: 5px;
    font-weight: 600;
}

.transport-card p {
    color: #212529;
    font-size: 2.25rem;
    font-weight: 600;
}

/* ===========================
   Quality Section
   =========================== */
.quality-section {
    padding: 80px 5%;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
}

.quality-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.quality-text h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    line-height: 1.4;
}

.quality-text p {
    line-height: 1.8;
    opacity: 0.95;
}

/* ===========================
   Gallery Section
   =========================== */
.gallery-section {
    padding: 80px 5%;
    background: #FDF7EB;
}

.gallery-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.gallery-item {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 10px 11px 5.5px rgba(0, 0, 0, 0.25);
}

/* Zigzag/Staggered layout for top row */
.gallery-item:nth-child(even) {
    transform: translateY(50px);
}

.gallery-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    margin-bottom: 0;
    overflow: hidden;
    background: white;
    border-radius: 5px;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Gallery Section Row 2 */
.gallery-section-row2 {
    padding: 0 5% 80px;
    background: #FDF7EB;
}

.gallery-container-row2 {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.gallery-item-row2 {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 10px 11px 5.5px rgba(0, 0, 0, 0.25);
}

/* Zigzag/Staggered layout for bottom row */
.gallery-item-row2:nth-child(odd) {
    transform: translateY(50px);
}

.gallery-image-row2 {
    width: 100%;
    aspect-ratio: 1 / 1;
    margin-bottom: 0;
    overflow: hidden;
    background: white;
    border-radius: 5px;
}

.gallery-image-row2 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ===========================
   Storage Section
   =========================== */
.storage-section {
    padding: 0;
    width: 100%;
}

.storage-image {
    width: 100%;
    max-width: 100%;
    margin: 0;
    height: 600px;
    border-radius: 0;
    overflow: hidden;
    margin-top: 50px;
}

.storage-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ===========================
   Footer
   =========================== */
footer {
    background: #FDF7EB;
    padding: 60px 5% 30px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.footer-products {
    width: 100%;
    height: auto;
    text-align: center;
}

.footer-products img {
    max-width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: contain;
}

.footer-info {
    text-align: center;
    align-self: start;
    margin-top: 0;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-title {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 10px;
    font-weight: bold;
}

.footer-company {
    font-size: 1.2rem;
    color: #e74c3c;
    color: #e74c3c;
    font-weight: bold;
    margin-bottom: 20px;
}

.contact-btn {
    background: #e74c3c;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    /* Rectangular with slight rounding */
    font-size: 1.5rem;
    /* H4 size */
    font-weight: bold;
    cursor: pointer;
    box-shadow: 10px 11px 5.5px rgba(0, 0, 0, 0.25);
    margin-bottom: 20px;
    display: inline-block;
    text-decoration: none;
}

.contact-info {
    margin: 20px 0;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    /* Allow wrapping on small screens */
}

.contact-info h5 {
    margin: 0;
    color: #212529;
    font-size: 1.1rem;
    font-weight: bold;
}

.address {
    margin: 20px 0;
}

.address h4 {
    margin: 5px 0 0 0;
    color: #212529;
    font-size: 1.5rem;
    font-weight: bold;
}

.address h5 {
    margin: 0 0 0 0;
    color: #212529;
    font-size: 1.1rem;
    font-weight: bold;
}

.social-media {
    margin: 20px 0;
}

.social-media h4 {
    margin: 5px 0 0 0;
    color: #212529;
    font-size: 1.5rem;
    font-weight: bold;
}

.social-media h5 {
    margin: 0 0 0 0;
    color: #212529;
    font-size: 1.1rem;
    font-weight: bold;
}

.disclaimer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
    font-size: 0.8rem;
    color: #999;
}

/* ===========================
   Responsive Design
   =========================== */

/* Hide wave decoration on smaller screens */
@media (max-width: 1350px) {
    .wave-decoration {
        display: none;
    }
    
    .product-logo {
        display: none;
    }
}

/* Tablet */
@media (max-width: 1024px) {

    /* Hero Section - Tablet */
    .hero {
        min-height: 70vh;
        background-size: cover;
    }

    .hero-content {
        padding: 35px 18px;
        max-width: 700px;
    }

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

    .hero h2 {
        font-size: 2.5rem;
    }

    /* Product Section - Tablet */
    .product-info h2 {
        font-size: 1.8rem;
    }

    .product-info h4 {
        font-size: 1.1rem;
    }

    .product-info li {
        font-size: 0.95rem;
    }

    /* Transportation Section - Tablet */
    .transportation h1 {
        font-size: 3.5rem;
    }

    .transportation h3 {
        font-size: 2rem;
    }

    /* Applications Title - Tablet */
    .usage-title h1 {
        font-size: 3.5rem;
    }

    .usage-title h3 {
        font-size: 2rem;
    }

    /* Remove staggered layout on tablet */
    .transport-card:nth-child(1),
    .transport-card:nth-child(3) {
        transform: none;
    }

    /* Remove staggered layout for gallery on tablet */
    .gallery-item:nth-child(even) {
        transform: none;
    }

    .gallery-item-row2:nth-child(odd) {
        transform: none;
    }

    .app-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    header {
        position: relative;
    }

    nav ul {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
        margin-left: auto;
        /* Push to the right */
    }

    nav.active ul {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #FDF7EB;
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }

    /* Hero Section - Mobile */
    .hero {
        min-height: 60vh;
        background-size: cover;
    }

    .hero-content {
        padding: 30px 15px;
        max-width: 90%;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    /* Product Section - Mobile */
    .product-info h2 {
        font-size: 1.5rem;
    }

    .product-info h4 {
        font-size: 1rem;
    }

    .product-info li {
        font-size: 0.9rem;
        padding-left: 20px;
    }

    .product-image {
        max-width: 100%;
    }

    /* Transportation Section - Mobile */
    .transportation h1 {
        font-size: 2.5rem;
    }

    .transportation h3 {
        font-size: 1.5rem;
    }

    /* Applications Title - Mobile */
    .usage-title h1 {
        font-size: 2.5rem;
    }

    .usage-title h3 {
        font-size: 1.5rem;
    }

    .transport-card h4 {
        font-size: 1.8rem;
    }

    .transport-card p {
        font-size: 1.8rem;
    }

    /* Gallery - Mobile */
    .gallery-section {
        padding: 80px 5% 0;  /* Remove bottom padding in mobile */
    }

    .gallery-container {
        grid-template-columns: 1fr;
        gap: 30px;  /* Consistent gap for mobile */
    }

    .gallery-item {
        height: auto;
        transform: none; /* Reset staggered layout for mobile */
    }

    .gallery-item img {
        height: auto;
    }

    /* Gallery Row 2 - Mobile */
    .gallery-section-row2 {
        padding: 30px 5% 80px;  /* Add top padding to create gap between sections */
    }

    .gallery-container-row2 {
        grid-template-columns: 1fr;
        gap: 30px;  /* Consistent gap for mobile */
    }

    .gallery-item-row2 {
        height: auto;
        transform: none; /* Reset staggered layout for mobile */
    }

    .gallery-item-row2 img {
        height: auto;
    }

    .product-container,
    .company-container,
    .quality-container,
    .footer-container {
        grid-template-columns: 1fr;
    }

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

    .app-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .company-image {
        order: -1;
    }
}

/* Small Mobile */
@media (max-width: 480px) {

    /* Hero Section - Small Mobile */
    .hero {
        min-height: 50vh;
        background-size: cover;
        background-position: center center;
    }

    .hero-content {
        padding: 20px 10px;
        max-width: 95%;
    }

    .hero h1 {
        font-size: 1.5rem;
        margin-bottom: 8px;
    }

    .hero h2 {
        font-size: 1.8rem;
        margin-bottom: 20px;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 1rem;
    }

    /* Transportation Section - Small Mobile */
    .transportation h1 {
        font-size: 2rem;
    }

    .transportation h3 {
        font-size: 1.2rem;
    }

    .transport-card h4 {
        font-size: 1.5rem;
    }

    .transport-card p {
        font-size: 1.5rem;
    }

    .app-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .app-icon {
        width: 80px;
        height: 80px;
    }
}