/* Custom styles for SUMON IT CENTER */
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }
header.scrolled { box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08); }
.service-card:hover { transform: translateY(-4px); }
.tech-card:hover { transform: translateY(-2px); }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
#back-to-top.visible { opacity: 1; pointer-events: auto; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
::selection { background: #2563eb; color: white; }