* {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', 'Noto Sans SC', sans-serif;
}

.font-playfair {
    font-family: 'Playfair Display', serif;
}

.font-noto {
    font-family: 'Noto Sans SC', sans-serif;
}

.lang-btn {
    background: transparent;
    color: #1B3A5C;
}

.lang-btn.active {
    background: #1B3A5C;
    color: #FAF8F5;
}

.lang-btn:hover:not(.active) {
    background: #1B3A5C/10;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #C8A96E;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.4;
    }
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.category-card {
    transition: all 0.3s ease;
}

.step-card {
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: translateY(-4px);
}

.advantage-card {
    transition: all 0.3s ease;
}

.testimonial-card {
    transition: all 0.3s ease;
}

.product-card {
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(27, 58, 92, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, #C8A96E 0%, #D4B87A 100%);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #D4B87A 0%, #C8A96E 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(200, 169, 110, 0.3);
}

.btn-secondary {
    border: 1px solid #1B3A5C;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: #1B3A5C;
    color: white;
}

.frosted-glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.input-field {
    transition: all 0.3s ease;
}

.input-field:focus {
    border-color: #C8A96E;
    box-shadow: 0 0 0 3px rgba(200, 169, 110, 0.1);
}

.filter-btn {
    transition: all 0.3s ease;
}

.filter-btn.active {
    background: #1B3A5C;
    color: white;
    border-color: #1B3A5C;
}

.filter-btn:hover:not(.active) {
    border-color: #C8A96E;
    color: #C8A96E;
}

.inquiry-card {
    transition: all 0.3s ease;
}

.inquiry-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(27, 58, 92, 0.1);
}

.timeline-item {
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #C8A96E, #1B3A5C);
}

.timeline-dot {
    position: absolute;
    left: -5px;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #C8A96E;
    border: 2px solid white;
    box-shadow: 0 0 0 2px #C8A96E;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #FAF8F5;
}

::-webkit-scrollbar-thumb {
    background: #C8A96E;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1B3A5C;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

.lazy-image {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.lazy-image.loaded {
    opacity: 1;
}

.section-title {
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: #C8A96E;
}

.page-header {
    padding-top: 120px;
    padding-bottom: 60px;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}