/* === Base & Utilities === */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(163, 84, 126, 0.2);
    color: #4a2639;
}

/* === Scroll Reveal Animations === */
/* These are progressive enhancement — content is visible by default, JS adds the animation state */
@media (prefers-reduced-motion: no-preference) {
    .service-card {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease, transform 0.6s ease, background-color 0.4s ease, box-shadow 0.4s ease;
    }

    .patient-step {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.4s ease;
    }

    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
}

/* === Navbar === */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(250, 245, 247, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(163, 84, 126, 0.08);
}

/* === Mobile Menu === */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(163, 84, 126, 0.08);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* === Floating Card Animation === */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

/* === Decorative dots === */
@keyframes pulse-dot {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.2); }
}

/* === Focus styles === */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #a3547e;
    outline-offset: 2px;
}

/* === Smooth image loading === */
img {
    background-color: #f5ebee;
}

/* === Custom scrollbar === */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #faf5f7;
}

::-webkit-scrollbar-thumb {
    background: #d9b0c4;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #c07fa2;
}