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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #ffffff;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #1e293b;
    --border-color: #e5e7eb;
    --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --border-radius: 8px;
    --border-radius-large: 16px;
    --transition: all 0.3s ease;
}

html {
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    font-size: 16px;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: normal;
    text-align: left;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

/* ==========================================================================
   Header Styles
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: var(--shadow-light);
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 80px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 18px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: black;
    font-weight: bold;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    top: -25px;
    left: 0;
    right: 0;
    height: 2px;
    background: #999;
    border-radius: 1px;
}



/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    height: 540px;
    position: relative;
    overflow: hidden;
}

.hero-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: 1440px auto;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--text-light);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    padding-top: 50px;
    padding-bottom: 100px;
    background: #fff;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image img {
    max-width: 100%;
    height: auto;
    display: block;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.about-features.right {
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.about-features.right .feature-item {
    flex-direction: row-reverse;
    text-align: right;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 10px;
}

.feature-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.feature-subtitle {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-secondary);
    font-style: italic;
}

.about-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.center-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-large);
    position: relative;
}

.center-circle::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    opacity: 0.3;
    z-index: -1;
}

.circle-content {
    text-align: center;
    color: var(--text-light);
}

.circle-text-main {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.circle-text-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: 500;
}

/* ==========================================================================
   Company Intro Section
   ========================================================================== */
.company-intro {
    padding: 60px 0;
    background: var(--bg-dark);
    color: var(--text-light);
}

.company-intro .section-title {
    color: var(--text-light);
}

.intro-content {
    margin: 0;
    text-align: left;
}

.intro-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   Core Business Section
   ========================================================================== */
.core-business {
    padding-top: 100px;
    padding-bottom: 50px;
    background: #fff;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.business-item {
    position: relative;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    cursor: pointer;
    background: #fff;
}

.business-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
}

.business-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.business-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.business-content {
    padding: 1.5rem;
    background: #fff;
}

.business-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.business-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.business-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(24, 59, 172, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 2rem;
}

.business-item:hover .business-overlay {
    opacity: 1;
}

.business-detail {
    text-align: left;
    color: var(--text-light);
}

.business-overlay .business-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.business-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;
}

.business-features p {
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    font-size: 0.95rem;
    position: relative;
}

/* .business-features p::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
} */

/* ==========================================================================
   Partners Section
   ========================================================================== */
.partners {
    padding: 80px 0;
    background: #fff;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    align-items: center;
}

.partner-item {
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
}

.partner-item img {
    object-fit: contain;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
    padding: 80px 0;
    background: #183BAC;
    color: var(--text-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-label {
    font-weight: 500;
    color: var(--text-light);
    min-width: 100px;
}

.contact-value {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.4;
}

.qr-section {
    text-align: center;
}

.qr-title {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.qr-code {
    display: inline-block;
    padding: 0px;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
}

.qr-code img {
    width: 120px;
    height: 120px;
    display: block;
}



/* ==========================================================================
   Animations & Effects
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.hero-indicators {
    animation: fadeInUp 1s ease-out 0.5s both;
}

.center-circle {
    animation: pulse 3s ease-in-out infinite;
}

/* Scroll animations */
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}



/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Placeholder for missing images */
.img-placeholder {
    background: linear-gradient(45deg, #f0f0f0 25%, transparent 25%), 
                linear-gradient(135deg, #f0f0f0 25%, transparent 25%), 
                linear-gradient(45deg, transparent 75%, #f0f0f0 75%), 
                linear-gradient(135deg, transparent 75%, #f0f0f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 0, 10px -10px, 0px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Print styles */
@media print {
    .header,
    .hero-indicators {
        display: none !important;
    }
    
    .hero {
        height: auto;
        min-height: 200px;
    }
    
    .hero-title {
        color: var(--text-primary) !important;
        text-shadow: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .section-title {
        font-size: 18pt;
        page-break-after: avoid;
    }
    
    .business-item,
    .partner-item {
        page-break-inside: avoid;
    }
}