:root {
    --primary: #0099D1;
    --primary-dark: #0077A3;
    --secondary: #F26521;
    --secondary-dark: #D1541A;
    --text-main: #1A202C;
    --text-muted: #4A5568;
    --bg-light: #F7FAFC;
    --bg-white: #FFFFFF;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius-md: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Sarabun', 'Open Sans', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Sarabun', sans-serif;
    font-weight: 700;
}

/* Language Switcher */
.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
}

.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
    padding: 4px;
}

.lang-btn.active {
    color: var(--primary);
}

.lang-btn:hover {
    color: var(--primary);
}

.divider {
    color: #E2E8F0;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation: fadeInUp 0.8s ease forwards;
}

/* Glassmorphism */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled {
    background: var(--glass);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-main);
}

.nav-links a:hover {
    color: var(--primary);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 50%, rgba(255,255,255,0) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-text {
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: rgba(0, 153, 209, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-main);
}

.highlight {
    color: var(--primary);
}

.hero p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

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

/* Stats Section */
.stats {
    background-color: var(--bg-white);
    position: relative;
    z-index: 20;
    margin-top: -50px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 40px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

/* Services Section */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.text-primary {
    color: var(--primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

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

.service-icon {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
}

.service-card p {
    font-size: 15px;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 48px;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-cta {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero {
        text-align: center;
    }
    
    .hero-overlay {
        background: rgba(255,255,255,0.85);
        background: linear-gradient(0deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.8) 100%);
    }
    
    .hero-text {
        margin: 0 auto;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

/* Process Section */
.process-timeline {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.process-step {
    display: flex;
    align-items: center;
    gap: 60px;
}

.process-step.inverse {
    flex-direction: row-reverse;
}

.step-img {
    flex: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.process-step:hover .step-img img {
    transform: scale(1.05);
}

.step-content {
    flex: 1;
}

.step-number {
    font-size: 60px;
    font-weight: 800;
    color: rgba(0, 153, 209, 0.1);
    line-height: 1;
    margin-bottom: 10px;
    display: block;
}

.step-content h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary);
}

.step-content p {
    font-size: 17px;
    color: var(--text-muted);
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 36px;
    margin-bottom: 24px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 17px;
    color: var(--text-muted);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--text-main);
}

.feature-item i {
    color: var(--secondary);
}

.about-img {
    flex: 1;
}

.about-img img {
    width: 100%;
    border-radius: var(--radius-lg);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 36px;
    margin-bottom: 24px;
}

.contact-info p {
    font-size: 17px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
}

.info-item i {
    font-size: 24px;
    color: var(--primary);
    background: rgba(0, 153, 209, 0.1);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.info-item h4 {
    font-size: 18px;
    margin-bottom: 4px;
}

.info-item p {
    margin-bottom: 0;
}

.contact-form-container {
    padding: 50px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 153, 209, 0.1);
}

.w-full {
    width: 100%;
}

/* Footer */
.footer {
    background-color: var(--text-main);
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo img {
    height: 60px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-logo p {
    color: #A0AEC0;
    max-width: 300px;
}

.footer h4 {
    margin-bottom: 24px;
    font-size: 18px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: #A0AEC0;
}

.footer-links ul li a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: white;
}

.social-icons a:hover {
    background: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    color: #A0AEC0;
    font-size: 14px;
}

/* More Responsive */
@media (max-width: 992px) {
    .process-step, .process-step.inverse {
        flex-direction: column;
        gap: 30px;
    }
    
    .about-content {
        flex-direction: column-reverse;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}