/* ===================================
   Header Component
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar {
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-right: 0;
    margin: 0;
    width: 100%;
    max-width: 100%;
}

.logo a {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.logo h1 {
    margin-bottom: 0;
}

.nav-menu {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-left: auto;
    margin-right: 0;
    padding-right: 20px;
}

.nav-link {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    height: auto;
    line-height: 1.5;
    text-align: center;
    width: auto;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-sub {
    font-size: 11px;
    font-weight: 400;
    color: #999;
    line-height: 1.2;
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--bg-light);
}

.nav-link:hover .nav-sub {
    color: #666;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--spacing-xs);
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    background-color: transparent;
    padding: 12px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ===================================
   Hero Component
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #86efac 0%, #34d399 100%);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    animation: fadeIn 1s ease;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
    opacity: 0.95;
    animation: fadeIn 1s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeIn 1s ease 0.4s backwards;
}

.hero .btn {
    min-width: 180px;
}

.hero .btn-secondary {
    border-color: white;
    color: white;
}

.hero .btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: pulse 2s ease-in-out infinite;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background-color: white;
    border-radius: 50%;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0%, 100% {
        transform: translate(-50%, 0);
        opacity: 0;
    }
    50% {
        transform: translate(-50%, 15px);
        opacity: 1;
    }
}

/* ===================================
   About Section
   =================================== */

.about-section {
    background-color: var(--bg-light);
}

.about-section-header {
    text-align: left;
}

.about-section-header .section-description {
    margin: 0;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
}

.about-text {
    width: 100%;
}

.about-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-text h3 {
    color: var(--primary-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    max-width: 100%;
    width: 100%;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.feature-item {
    align-content: center;
    align-items: center;
    background: #FFFFFF;
    border: 1px solid #333333;
    flex: none;
    flex-direction: column;
    flex-wrap: nowrap;
    height: 367px;
    justify-content: center;
    margin: 0 0 20px 0;
    padding: 20px;
    width: 100%;
    max-width: 100%;
    display: flex;
    text-align: center;
    transition: var(--transition-base);
}

.feature-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-icon img {
    width: 222px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.feature-item h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.feature-item p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* ===================================
   Services Section
   =================================== */

.services-section {
    background-color: white;
}

.services-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
}

.service-card {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-base);
}

.service-card:last-child {
    border-bottom: none;
}

.service-card:hover {
    padding-left: var(--spacing-md);
    border-left: 3px solid var(--primary-color);
}

.service-icon {
    display: none;
}

.service-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    color: var(--text-secondary);
    position: relative;
    font-size: var(--font-size-sm);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ===================================
   Company Section
   =================================== */

.company-section {
    background-color: var(--bg-light);
}

.company-table {
    max-width: 900px;
    margin: 0 auto;
}

.company-row {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.company-row:first-child {
    border-top: 1px solid var(--border-color);
}

.company-label {
    flex: 0 0 200px;
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 700;
    color: var(--text-primary);
}

.company-value {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

.company-address-en {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.9em;
    color: var(--text-tertiary);
    font-style: italic;
}

/* ===================================
   News Section
   =================================== */

.news-section {
    background-color: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.news-card {
    background-color: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-base);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.news-content {
    padding: var(--spacing-lg);
}

.news-date {
    display: block;
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.news-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.news-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.news-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: var(--font-size-sm);
    display: inline-flex;
    align-items: center;
    transition: var(--transition-base);
}

.news-link:hover {
    gap: 5px;
}

/* ===================================
   Contact Section
   =================================== */

.contact-section {
    background-color: white;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-details p,
.contact-details a {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.contact-details a:hover {
    color: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition-base);
    background-color: #f5f5f5;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #bbb;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ===================================
   Footer Component
   =================================== */

.footer {
    background-color: var(--bg-dark);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    transition: var(--transition-base);
    text-decoration: none;
}

.footer-nav a:hover {
    color: white;
    text-decoration: underline;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-xs);
    margin: 0;
}

/* ===================================
   Back to Top Button
   =================================== */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}