@tailwind base;

:root {
    --color-primary: #1e3a5f;
    --color-primary-light: #2d5a8e;
    --color-accent: #2563eb;
    --color-accent-light: #3b82f6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    color: #1f2937;
}

.nav-link-hover:hover {
    color: var(--color-accent);
}

.hero-gradient {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a8e 50%, #1e3a5f 100%);
}

.section-title {
    position: relative;
    display: inline-block;
    padding-bottom: 12px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
}

.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.advantage-card {
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-2px);
}

.contact-float-btn {
    transition: all 0.3s ease;
}

.contact-float-btn:hover {
    transform: scale(1.05);
}

.contact-form-panel {
    transition: all 0.3s ease;
}

.mobile-menu {
    transition: transform 0.3s ease;
}

.mobile-menu.hidden {
    transform: translateX(100%);
}

.news-item {
    transition: box-shadow 0.3s ease;
}

.news-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.customer-logo {
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.customer-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}