*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; }
body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; margin: 0; padding: 0; }

@media (prefers-reduced-motion: no-preference) {
    .service-card { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .service-card.visible { opacity: 1; transform: translateY(0); }
    .service-card:nth-child(2) { transition-delay: 0.08s; }
    .service-card:nth-child(3) { transition-delay: 0.16s; }
    .service-card:nth-child(4) { transition-delay: 0.24s; }
    .service-card:nth-child(5) { transition-delay: 0.32s; }
    .service-card:nth-child(6) { transition-delay: 0.40s; }
}

@media (prefers-reduced-motion: reduce) {
    .service-card { opacity: 1; transform: none; transition: none; }
    img { transition: none; }
}

@media (max-width: 767px) {
    .mobile-menu-open body { overflow: hidden; }
    #mobile-menu.open { opacity: 1; pointer-events: auto; }
    #mobile-menu.open .mobile-link { animation: slideUp 0.35s ease forwards; opacity: 0; }
    #mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
    #mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
    #mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
    #mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
    #mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.menu-line { display: block; }
#menu-btn.active .menu-line:nth-child(1) { transform: rotate(45deg) translate(2px, 2px); }
#menu-btn.active .menu-line:nth-child(2) { opacity: 0; }
#menu-btn.active .menu-line:nth-child(3) { transform: rotate(-45deg) translate(2px, -2px); width: 1.25rem; }