/* ============================================
   Jonathan D. Couch Medical & Health
   Premium Dark Luxury Stylesheet
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(212, 160, 23, 0.3);
    color: #fbbf24;
}

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

::-webkit-scrollbar-track {
    background: #020c1b;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #d4a017, #92600a);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, #fbbf24, #d4a017);
}

/* --- Animations --- */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 7s ease-in-out infinite;
    animation-delay: 1s;
}

/* --- Reveal Animations (Progressive Enhancement) --- */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Navbar --- */
#navbar {
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    background: rgba(2, 12, 27, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(212, 160, 23, 0.1), 0 4px 30px rgba(0, 0, 0, 0.4);
}

/* --- Mobile Menu --- */
.mobile-link {
    display: block;
    padding: 0.5rem 0;
    font-size: 1.1rem;
}

/* --- Button Focus States --- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #d4a017;
    outline-offset: 2px;
    border-radius: 4px;
}

/* --- Input Autofill --- */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #0a1628 inset !important;
    -webkit-text-fill-color: #fbbf24 !important;
    caret-color: #fbbf24;
}

/* --- Smooth image loading --- */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
    .font-display {
        line-height: 1.2;
    }
}