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

body {
    font-family: 'Noto Sans Thai', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    overflow-x: hidden;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
    color: #1e40af;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: #666;
}

/* Header & Navigation */
header {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.logo h1 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

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

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #fbbf24;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #fbbf24;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
    animation: fadeInLeft 1s ease-out;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn-primary {
    background: #fbbf24;
    color: #1e40af;
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary:hover {
    background: #f59e0b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 12px 30px;
    border: 2px solid white;
    border-radius: 25px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: white;
    color: #1e40af;
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.hero-image {
    flex: 1;
    text-align: center;
    animation: fadeInRight 1s ease-out;
}

.hero-image img {
    max-width: 500px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* Company Intro */
.company-intro {
    padding: 80px 0;
    background: white;
}

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

.intro-text h3 {
    color: #1e40af;
    margin-bottom: 1.5rem;
}

.intro-image img {
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* Featured Products */
.featured-products {
    padding: 80px 0;
    background: #f8f9fa;
}

.featured-products h3 {
    text-align: center;
    margin-bottom: 1rem;
    color: #1e40af;
}

.featured-products > .container > p {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

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

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

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

.product-card h4 {
    padding: 1.5rem 1.5rem 1rem;
    color: #1e40af;
}

.product-card p {
    padding: 0 1.5rem;
    color: #666;
    margin-bottom: 1.5rem;
}

.product-card a {
    margin: 0 1.5rem 1.5rem;
}

/* News Section */
.news-section {
    padding: 80px 0;
    background: white;
}

.news-section h3 {
    text-align: center;
    margin-bottom: 3rem;
    color: #1e40af;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

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

.news-content {
    padding: 1.5rem;
}

.news-content h4 {
    color: #1e40af;
    margin-bottom: 1rem;
}

.news-content p {
    color: #666;
    margin-bottom: 1rem;
}

.news-date {
    color: #999;
    font-size: 0.9rem;
}

/* Page Headers */
.page-header {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
}

.page-header h2 {
    color: white;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Filter Section */
.filter-section {
    padding: 40px 0;
    background: white;
    border-bottom: 1px solid #e5e7eb;
}

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 500;
    color: #1e40af;
}

.filter-select {
    padding: 8px 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.9rem;
    background: white;
}

.search-box {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    max-width: 300px;
}

.search-input {
    flex: 1;
    padding: 8px 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.9rem;
}

.search-btn {
    padding: 8px 15px;
    background: #1e40af;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.search-btn:hover {
    background: #1d4ed8;
}

/* Products Section */
.products-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.products-section .products-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.product-info {
    padding: 1.5rem;
}

.product-info h4 {
    color: #1e40af;
    margin-bottom: 0.5rem;
}

.product-info p {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.category {
    background: #1e40af;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.rating {
    color: #fbbf24;
    font-size: 0.9rem;
}

.product-actions {
    display: flex;
    gap: 0.5rem;
}

.product-actions .btn-primary,
.product-actions .btn-secondary {
    flex: 1;
    text-align: center;
    padding: 8px 15px;
    font-size: 0.9rem;
}

.load-more-container {
    text-align: center;
    margin-top: 3rem;
}

/* Company Story */
.company-story {
    padding: 80px 0;
    background: white;
}

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

.story-image img {
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* Mission & Vision */
.mission-vision {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.mv-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.mv-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.mv-icon img {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
    border-radius: 50%;
    object-fit: cover;
}

.mv-card h4 {
    color: #1e40af;
    margin-bottom: 1rem;
}

/* Team Section */
.team-section {
    padding: 80px 0;
    background: white;
}

.team-section h3 {
    text-align: center;
    margin-bottom: 1rem;
    color: #1e40af;
}

.team-section > .container > p {
    text-align: center;
    margin-bottom: 3rem;
}

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

.team-member {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.team-member img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.member-info {
    padding: 1.5rem;
    text-align: center;
}

.member-info h4 {
    color: #1e40af;
    margin-bottom: 0.5rem;
}

.member-info p:first-of-type {
    color: #666;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.member-info p:last-of-type {
    color: #999;
    font-size: 0.9rem;
}

/* Achievements */
.achievements {
    padding: 80px 0;
    background: #f8f9fa;
}

.achievements h3 {
    text-align: center;
    margin-bottom: 3rem;
    color: #1e40af;
}

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

.achievement-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.achievement-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e40af;
    margin-bottom: 0.5rem;
}

.achievement-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.achievement-card p {
    color: #666;
    font-size: 0.9rem;
}

/* Contact Sections */
.contact-info {
    padding: 80px 0;
    background: white;
}

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

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.contact-icon img {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    border-radius: 50%;
    object-fit: cover;
}

.contact-card h4 {
    color: #1e40af;
    margin-bottom: 1rem;
}

.contact-form-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    padding: 3rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h3 {
    color: #1e40af;
    margin-bottom: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #1e40af;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1e40af;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background: white;
}

.faq-section h3 {
    text-align: center;
    margin-bottom: 3rem;
    color: #1e40af;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.faq-item h4 {
    color: #1e40af;
    margin-bottom: 1rem;
}

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

.map-section h3 {
    text-align: center;
    margin-bottom: 3rem;
    color: #1e40af;
}

.map-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* Footer */
footer {
    background: #1e40af;
    color: white;
    padding: 60px 0 20px;
}

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

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

.footer-section p {
    color: #e0e7ff;
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #e0e7ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #fbbf24;
}

.footer-bottom {
    border-top: 1px solid #3b82f6;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #e0e7ff;
}

/* Animations */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #1e40af;
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 5px 10px rgba(0,0,0,0.2);
    }

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

    .hamburger {
        display: flex;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 100px 0 60px;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }

    .hero h2 {
        font-size: 2.2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .intro-grid,
    .story-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        max-width: none;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }

    .hero h2 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 10px 25px;
        font-size: 0.9rem;
    }

    .form-container {
        padding: 2rem;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #1e40af;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1d4ed8;
}

/* Loading Animation */
.loading {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out 0.2s forwards;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Styles */
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #1e40af;
    outline-offset: 2px;
}