/* ==========================================
   Gregory Callis, M.D. — Custom Styles
   Premium Dark Luxury Medical Website
   ========================================== */

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

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

body {
    overflow-x: hidden;
}

/* Selection Color */
::selection {
    background-color: rgba(201, 168, 76, 0.3);
    color: #f8f8f4;
}

/* ==========================================
   Scroll Reveal Animations (progressive enhancement)
   ========================================== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    .reveal.revealed {
        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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

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

#navbar.scrolled {
    background: rgba(2, 12, 11, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1);
}

/* ==========================================
   Mobile Menu
   ========================================== */
#mobileMenu.open {
    opacity: 1 !important;
    pointer-events: all !important;
}

#mobileMenu.open #bar1 {
    transform: translateY(8px) rotate(45deg);
}

#mobileMenu.open #bar2 {
    opacity: 0;
}

#mobileMenu.open #bar3 {
    transform: translateY(-8px) rotate(-45deg);
    width: 1.5rem;
}

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ==========================================
   Service Cards
   ========================================== */
.service-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                border-color 0.4s ease,
                background-color 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* ==========================================
   Form Styles
   ========================================== */
input:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 1px rgba(201, 168, 76, 0.3);
}

/* ==========================================
   Smooth Scroll Offset for Fixed Nav
   ========================================== */
section[id] {
    scroll-margin-top: 80px;
}

/* ==========================================
   Subtle Gold Shimmer on Hero Headline
   ========================================== */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* ==========================================
   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;
    }
}