:root {
    --primary-color: #0066CC;
    --secondary-color-1: #00A0E9;
    --secondary-color-2: #7ECEF4;
    --accent-color: #FF6B00;
    --neutral-dark: #333333;
    --neutral-medium: #666666;
    --neutral-light: #F5F5F5;
}

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

body {
    font-family: 'Sukhumvit Set', 'Noto Sans Thai', sans-serif;
    line-height: 1.6;
    color: var(--neutral-dark);
}

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

.tss-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.tss-nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tss-logo {
    width: 200px;
}

.tss-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.tss-menu a {
    text-decoration: none;
    color: var(--neutral-dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.tss-menu a:hover,
.tss-menu a.active {
    color: var(--primary-color);
    background: var(--neutral-light);
}

.tss-hero {
    margin-top: 80px;
    height: 80vh;
    background: linear-gradient(135deg, var(--secondary-color-1), var(--secondary-color-2));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 2rem;
}

.tss-hero-content {
    max-width: 800px;
}

.tss-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.tss-hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.tss-cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.tss-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.tss-features {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tss-feature-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.tss-feature-card:hover {
    transform: translateY(-10px);
}

.tss-feature-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.tss-feature-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: var(--primary-color);
}

.tss-feature-card p {
    padding: 0 1.5rem 1.5rem;
    color: var(--neutral-medium);
}

.tss-products-preview {
    background: var(--neutral-light);
    padding: 5rem 2rem;
}

.tss-products-preview h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.tss-product-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tss-product-item {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.tss-product-item:hover {
    transform: scale(1.05);
}

.tss-product-item img {
    /*width: 100%;*/
    height: 300px;
    object-fit: cover;
    margin: 0 0 0 80px;
}

.tss-product-item h4 {
    padding: 1rem;
    text-align: center;
    color: var(--neutral-dark);
}

.tss-footer {
    background: var(--neutral-dark);
    color: white;
    padding: 4rem 2rem;
}

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

.tss-footer-info img {
    margin-bottom: 1rem;
}

.tss-footer-info p {
    color: var(--neutral-light);
}

.tss-footer-links h4 {
    color: white;
    margin-bottom: 1rem;
}

.tss-footer-links ul {
    list-style: none;
}

.tss-footer-links a {
    color: var(--neutral-light);
    text-decoration: none;
    display: block;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.tss-footer-links a:hover {
    color: var(--secondary-color-2);
}

.tss-about-hero {
    margin-top: 80px;
    height: 60vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color-1));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 2rem;
}

.tss-about-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.tss-about-content {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.tss-about-story {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.tss-story-text h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
}

.tss-values {
    padding: 4rem 0;
}

.tss-values h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.tss-values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tss-value-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.tss-value-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.tss-manufacturing-hero {
    margin-top: 80px;
    height: 60vh;
    background: linear-gradient(135deg, var(--secondary-color-2), var(--primary-color));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 2rem;
}

.tss-process-timeline {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.tss-process-step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.tss-process-step:nth-child(even) {
    direction: rtl;
}

.tss-process-step:nth-child(even) .tss-step-content {
    direction: ltr;
}

.tss-step-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.tss-facility {
    background: var(--neutral-light);
    padding: 4rem 2rem;
}

.tss-facility h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.tss-facility-gallery {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 768px) {
    .tss-hero h1 {
        font-size: 2.5rem;
    }
    
    .tss-about-story,
    .tss-process-step {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .tss-footer-content {
        grid-template-columns: 1fr;
    }
    
    .tss-facility-gallery {
        grid-template-columns: 1fr;
    }
    
    .tss-process-step:nth-child(even) {
        direction: ltr;
    }
}

@media (max-width: 480px) {
    .tss-nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .tss-menu {
        flex-direction: column;
        align-items: center;
    }
    
    .tss-hero h1 {
        font-size: 2rem;
    }
}

.tss-products-hero {
    margin-top: 80px;
    height: 50vh;
    background: linear-gradient(135deg, var(--secondary-color-1), var(--accent-color));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 2rem;
}

.tss-products-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.tss-products-catalog {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.tss-product-category {
    margin-bottom: 6rem;
}

.tss-product-category h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.tss-product-detail {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.tss-product-detail:hover {
    transform: translateY(-10px);
}

.tss-product-info {
    padding: 2rem;
}

.tss-product-info h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.tss-product-info p {
    color: var(--neutral-medium);
    margin-bottom: 1rem;
}

.tss-quality-assurance {
    background: var(--neutral-light);
    padding: 4rem 2rem;
    text-align: center;
}

.tss-certification-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.tss-certification {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.tss-certification img {
    margin-bottom: 1rem;
}

.tss-certification h4 {
    color: var(--primary-color);
}

.tss-contact-hero {
    margin-top: 80px;
    height: 40vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color-2));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 2rem;
}

.tss-contact-container {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.tss-contact-info {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.tss-contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.tss-info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.tss-business-hours {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--neutral-light);
}

.tss-business-hours h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.tss-contact-form {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.tss-contact-form h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.tss-form-group {
    margin-bottom: 1.5rem;
}

.tss-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--neutral-dark);
}

.tss-form-group input,
.tss-form-group select,
.tss-form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--neutral-medium);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.tss-form-group input:focus,
.tss-form-group select:focus,
.tss-form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.tss-submit-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 30px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tss-submit-button:hover {
    background: var(--secondary-color-1);
    transform: translateY(-2px);
}

.tss-map {
    padding: 4rem 2rem;
    background: var(--neutral-light);
}

.tss-map h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.tss-map-container {
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .tss-contact-container {
        grid-template-columns: 1fr;
    }
    
    .tss-product-detail {
        grid-template-columns: 1fr;
    }
    
    .tss-certification-grid {
        grid-template-columns: 1fr;
    }
}