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

body {
    font-family: 'Sarabun', 'Noto Sans Thai', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

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

/* Header */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #2563eb;
}

/* Mobile Navigation */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: #374151;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1001;
    min-width: 48px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn:hover {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.mobile-menu-btn:active {
    transform: scale(0.95);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
    opacity: 1;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    z-index: 999;
    transition: right 0.3s ease;
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #e2e8f0;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.mobile-nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.mobile-nav-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background 0.3s ease;
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.mobile-nav ul {
    list-style: none;
    margin: 0;
    padding: 2rem 0;
}

.mobile-nav li {
    margin: 0;
}

.mobile-nav a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    position: relative;
}

.mobile-nav a:hover,
.mobile-nav a:active {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.05);
    border-left-color: #f59e0b;
}

.mobile-nav a::before {
    content: '';
    position: absolute;
    left: 2rem;
    right: 2rem;
    bottom: 0;
    height: 1px;
    background: #e2e8f0;
}

.mobile-nav li:last-child a::before {
    display: none;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    position: relative;
    overflow: hidden;
    padding-top: 120px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('assets/IMG_20250608_082604_757.jpg') center/cover;
    opacity: 0.1;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #fff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.btn-primary {
    background: #f59e0b;
    color: white;
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
}

.hero-product-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

.hero-product-image:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1e293b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

/* Gallery Section */
.gallery {
    padding: 6rem 0;
    background: white;
}

/* Mobile-specific optimizations */
@media (max-width: 768px) {
    * {
        -webkit-tap-highlight-color: transparent;
    }
    
    img {
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }
    
    .gallery-item,
    .btn,
    .mobile-menu-btn,
    .modal-close {
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.services-hero {
    text-align: center;
    margin-bottom: 4rem;
}

.services-intro {
    font-size: 1.2rem;
    color: #475569;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
}

.service-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: block;
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.service-card p {
    color: #64748b;
    line-height: 1.7;
    font-size: 1rem;
}

.why-choose-us {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
}

.why-choose-us h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
    color: #1e293b;
}

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

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

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

.advantage-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.advantage-item p {
    color: #64748b;
    line-height: 1.6;
    font-size: 0.95rem;
}

.services-cta {
    text-align: center;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    padding: 3rem;
    border-radius: 20px;
    color: white;
}

.cta-text {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.tagline {
    font-size: 1.1rem;
    margin-top: 2rem;
    opacity: 0.9;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 3rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    aspect-ratio: 1;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Video Section */
.video-section {
    padding: 6rem 0;
    background: #1e293b;
    color: white;
    text-align: center;
}

.video-container {
    max-width: 800px;
    margin: 3rem auto 0;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}

.video-container video {
    width: 100%;
    height: auto;
}

.streamable-embed {
    position: relative;
    padding-bottom: 177.778%; /* Streamable's aspect ratio from the embed code */
    height: 0;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.streamable-embed iframe {
    border-radius: 16px;
}

/* For mobile devices, use a more manageable aspect ratio */
@media (max-width: 768px) {
    .streamable-embed {
        padding-bottom: 56.25%; /* 16:9 aspect ratio for mobile */
    }
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background: #0f172a;
    color: white;
    padding: 3rem 0;
    text-align: center;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    cursor: pointer;
}

.modal img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
}

.modal-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

/* Responsive */
/* Mobile-first approach */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    /* Header adjustments for small screens */
    header {
        padding: 0.75rem 0;
    }

    .logo {
        font-size: 1.3rem;
    }

    /* Hero section optimizations */
    .hero {
        padding: 100px 0 2rem 0;
        min-height: 90vh;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero-text p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .hero-product-image {
        height: 300px;
        transform: none;
    }

    .hero-product-image:hover {
        transform: scale(1.02);
    }

    /* Button improvements */
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        justify-content: center;
        margin-bottom: 0.5rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }

    /* Section spacing */
    .features,
    .gallery,
    .reviews,
    .services,
    .video-section,
    .cta-section {
        padding: 3rem 0;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: 2rem;
        line-height: 1.3;
    }

    /* Features grid */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    /* Gallery improvements */
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .gallery-item {
        aspect-ratio: 4/3;
    }

    /* Reviews section */
    .reviews-subtitle {
        font-size: 1rem;
        margin: 1rem auto 2rem;
        padding: 0 1rem;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 2rem;
    }

    .review-card {
        padding: 1.25rem;
    }

    .review-text::before {
        font-size: 3rem;
        top: -15px;
        left: -5px;
    }

    .reviews-cta {
        padding: 1.5rem;
        margin-top: 2rem;
    }

    .reviews-cta h3 {
        font-size: 1.3rem;
    }

    .reviews-cta p {
        font-size: 1rem;
    }

    /* Services section */
    .services-intro {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .advantage-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .why-choose-us {
        padding: 1.5rem;
    }

    .services-cta {
        padding: 1.5rem;
    }

    /* Video section */
    .video-container {
        margin: 2rem auto 0;
    }

    /* CTA section */
    .cta-content h2 {
        font-size: 1.75rem;
        line-height: 1.3;
    }

    .cta-content p {
        font-size: 1rem;
    }

    /* Modal improvements */
    .modal-close {
        top: 1rem;
        right: 1rem;
        font-size: 1.5rem;
    }

    .modal img {
        max-width: 95%;
        max-height: 85%;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex !important;
    }

    .mobile-nav,
    .mobile-nav-overlay {
        display: block;
    }

    /* Touch-friendly improvements */
    .btn {
        min-height: 48px;
        touch-action: manipulation;
    }

    .gallery-item {
        cursor: pointer;
        touch-action: manipulation;
    }

    /* Reduce animations on mobile for better performance */
    .hero-product-image:hover,
    .feature-card:hover,
    .review-card:hover {
        transform: none;
    }

    /* Ensure hamburger menu is visible */
    .mobile-menu-btn {
        background: white;
        border: 2px solid #e2e8f0;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .mobile-menu-btn:hover {
        border-color: #f59e0b;
        box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2);
    }
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Reviews Section */
.reviews {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.reviews-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #64748b;
    margin: 1rem auto 4rem;
    max-width: 600px;
    line-height: 1.6;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.review-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.review-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.review-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.review-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.review-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.25rem;
}

.review-stars {
    font-size: 1rem;
    color: #fbbf24;
}

.review-text {
    color: #374151;
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 1.5rem;
    position: relative;
}

.review-text::before {
    content: '"';
    font-size: 4rem;
    color: #f59e0b;
    position: absolute;
    top: -20px;
    left: -10px;
    font-family: serif;
    opacity: 0.3;
}

.review-source {
    display: inline-flex;
    align-items: center;
    background: #dbeafe;
    color: #1e40af;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.reviews-cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 20px;
    color: white;
}

.reviews-cta h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.reviews-cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.facebook-reviews-link {
    margin-top: 2rem;
}

.reviews-link {
    display: inline-flex;
    align-items: center;
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.reviews-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Floating elements */
.floating {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}