/* ============================================
   James H. Zellner, MD — Custom Styles
   Premium Dark Luxury Medical Website
   ============================================ */

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(200, 168, 110, 0.3);
    color: #FAFAF6;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #061F14;
}
::-webkit-scrollbar-thumb {
    background: rgba(200, 168, 110, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(200, 168, 110, 0.5);
}

/* ── Animations ── */
@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.6; }
    50% { transform: translateY(-12px) scale(1.05); opacity: 1; }
}

@keyframes float-delay {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.4; }
    50% { transform: translateY(-8px) scale(1.08); opacity: 0.8; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(32px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

.animate-float-delay {
    animation: float-delay 5s ease-in-out 1s infinite;
}

/* ── Reveal on Scroll ── */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Navbar ── */
#navbar {
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    background: transparent;
    transition: background 0.5s ease, backdrop-filter 0.5s ease, box-shadow 0.5s ease;
}

#navbar.scrolled {
    background: rgba(6, 31, 20, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(200, 168, 110, 0.08);
}

/* ── Hero ── */
#hero {
    position: relative;
}

#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to bottom, transparent, #061F14);
    pointer-events: none;
}

/* ── Service Cards ── */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #C8A86E, transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(200, 168, 110, 0.1);
}

/* ── Approach Cards ── */
.approach-card {
    position: relative;
}

.approach-card:hover .w-20 {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(200, 168, 110, 0.15);
}

/* ── Mobile Menu ── */
#mobile-menu {
    animation: slideDown 0.3s ease forwards;
}

.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: color 0.3s ease, padding-left 0.3s ease;
}

.mobile-link:hover {
    color: #C8A86E;
    padding-left: 0.5rem;
}

/* ── Form ── */
input:focus, select:focus, textarea:focus {
    outline: none;
}

/* ── Gold gradient text utility ── */
.text-gold-gradient {
    background: linear-gradient(135deg, #D4AF6E, #C8A86E, #B8944A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.15;
    }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}