@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }

/* Announcement bar */
.announcement-bar { background: linear-gradient(90deg, #C026D3 0%, #86198F 100%); color: white; text-align: center; padding: 0.55rem 1rem; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.02em; position: relative; z-index: 50; }

/* Mobile menu toggle */
.mobile-menu { display: none; }
.mobile-menu.open { display: flex; flex-direction: column; }
.nav-hamburger span { display: block; width: 24px; height: 2px; background: #1E293B; border-radius: 2px; transition: transform 0.25s ease, opacity 0.25s ease; margin: 3px 0; }
.nav-hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Scroll to top */
.scroll-top { opacity: 0; transform: translateY(16px); transition: opacity 0.25s ease, transform 0.25s ease; pointer-events: none; }
.scroll-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* Fade in animation */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.55s ease, transform 0.55s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in:nth-child(1) { transition-delay: 0.05s; }
.fade-in:nth-child(2) { transition-delay: 0.12s; }
.fade-in:nth-child(3) { transition-delay: 0.19s; }
.fade-in:nth-child(4) { transition-delay: 0.26s; }
.fade-in:nth-child(5) { transition-delay: 0.33s; }
.fade-in:nth-child(6) { transition-delay: 0.40s; }

/* Pulse dot */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.4); }
}
.pulse-dot { animation: pulse-dot 2s infinite; }

/* Medicine card filter */
.medicine-card[style*="none"] { display: none; }
.medicine-card.hidden-card { display: none; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 1rem; opacity: 0; visibility: hidden; transition: opacity 0.25s ease, visibility 0.25s ease; }
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal { transform: scale(0.95) translateY(20px); transition: transform 0.25s ease; }
.modal-overlay.open .modal { transform: scale(1) translateY(0); }

/* Stat counter animation */
@keyframes countUp { from { opacity: 0; } to { opacity: 1; } }

/* Page hero pattern */
.page-hero-pattern { background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }

/* FAQ details */
details summary::-webkit-details-marker { display: none; }
details[open] .faq-icon { transform: rotate(45deg); }
.faq-icon { transition: transform 0.2s ease; display: inline-block; }