/* ============================================
   Heavenly Nails and Spa - Custom Styles
   ============================================ */

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

body {
    overflow-x: hidden;
}

/* Selection Color */
::selection {
    background-color: rgba(13, 148, 136, 0.2);
    color: #0f766e;
}

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

::-webkit-scrollbar-track {
    background: #f8fafc;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ============================================
   Navigation
   ============================================ */
#navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(203, 213, 225, 0.5);
}

#navbar.scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.nav-text {
    transition: color 0.3s ease;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #0d9488;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Mobile Menu Button */
.nav-btn span {
    transition: all 0.3s ease;
}

.nav-btn.active #line1 {
    transform: rotate(45deg) translate(4px, 4px);
}

.nav-btn.active #line2 {
    opacity: 0;
}

.nav-btn.active #line3 {
    width: 24px;
    margin-left: 0;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .scroll-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ============================================
   Service Cards
   ============================================ */
.service-card {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

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

/* ============================================
   Button Hover Effects
   ============================================ */
a {
    text-decoration: none;
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-link {
    opacity: 1;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.1;
    }
}

@media (min-width: 768px) {
    .service-card {
        transform: translateY(0);
    }
    
    .service-card:hover {
        transform: translateY(-8px);
    }
}

/* ============================================
   Image Loading States
   ============================================ */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* ============================================
   Focus States for Accessibility
   ============================================ */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
    border-radius: 2px;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    #navbar,
    #gallery,
    .scroll-reveal {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    a {
        text-decoration: underline;
    }
}