/* ===== Custom Styles for Myers Eye Clinic ===== */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

#navbar.scrolled .text-charcoal-600 {
    color: #6b7280 !important;
}

#navbar.scrolled a:hover .text-charcoal-600 {
    color: #ff5733 !important;
}

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

/* ===== Service Cards ===== */
.service-card {
    will-change: transform;
}

/* ===== Scroll Reveal Animations ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

/* ===== Mobile Menu ===== */
.mobile-link {
    transition: opacity 0.3s ease;
}

/* ===== Back to Top ===== */
#back-to-top {
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

#back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

#back-to-top:hover {
    box-shadow: 0 8px 25px rgba(255, 87, 51, 0.35);
}

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #ff5733;
    outline-offset: 2px;
}

/* ===== Selection ===== */
::selection {
    background: rgba(255, 87, 51, 0.2);
    color: #252a31;
}

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

::-webkit-scrollbar-track {
    background: #f6f6f7;
}

::-webkit-scrollbar-thumb {
    background: #c4c6cb;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a1a5aa;
}

/* ===== Form Select Arrow ===== */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 12px;
    padding-right: 2.5rem;
}

/* ===== Image Loading ===== */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

img[data-src] {
    opacity: 0;
}

img.loaded {
    opacity: 1;
}