/* =============================================
   Dr. Frank H. Arlinghaus Jr. — Custom Styles
   ============================================= */

/* Base */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: #C8963E;
    color: #231522;
}

/* Header transitions */
#site-header.scrolled {
    background-color: rgba(250, 245, 240, 0.97);
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 0 rgba(93, 58, 91, 0.08);
}

.header-text {
    color: #4A2E49;
}

.header-subtext {
    color: #7A4B82;
}

#site-header:not(.scrolled) .header-text {
    color: #E8D5F0;
}

#site-header:not(.scrolled) .header-subtext {
    color: #BA98C0;
}

#site-header:not(.scrolled) .menu-line {
    background-color: #E8D5F0;
}

/* Mobile menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.menu-line:last-child {
    width: 1.5rem;
}

/* Hamburger animation */
#menu-toggle[aria-expanded="true"] .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

#menu-toggle[aria-expanded="true"] .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

#menu-toggle[aria-expanded="true"] .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.5rem;
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    transform 0.7s 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; }
}

/* Service card hover */
@media (prefers-reduced-motion: no-preference) {
    .service-card {
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

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

/* Back to top */
#back-to-top.visible {
    opacity: 1;
    translate: 0;
    pointer-events: auto;
}

/* Focus styles */
:focus-visible {
    outline: 2px solid #C8963E;
    outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
    background: #FAF5F0;
}

::-webkit-scrollbar-thumb {
    background: #D9C5DD;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #BA98C0;
}